MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 // XXX: wtf/FastMalloc.h... wtf?
  41 #define USE_SYSTEM_MALLOC 1
  42
  43 /* #include Directives {{{ */
  44 #include "UICaboodle/UCPlatform.h"
  45 #include "UICaboodle/UCLocalize.h"
  46
  47 #include <objc/objc.h>
  48 #include <objc/runtime.h>
  49
  50 #include <CoreGraphics/CoreGraphics.h>
  51 #include <Foundation/Foundation.h>
  52
  53 #if 0
  54 #define DEPLOYMENT_TARGET_MACOSX 1
  55 #define CF_BUILDING_CF 1
  56 #include <CoreFoundation/CFInternal.h>
  57 #endif
  58
  59 #include <CoreFoundation/CFPriv.h>
  60 #include <CoreFoundation/CFUniChar.h>
  61
  62 #include <SystemConfiguration/SystemConfiguration.h>
  63
  64 #include <UIKit/UIKit.h>
  65 #include "iPhonePrivate.h"
  66
  67 #include <IOKit/IOKitLib.h>
  68
  69 #include <WebCore/WebCoreThread.h>
  70
  71 #include <algorithm>
  72 #include <iomanip>
  73 #include <sstream>
  74 #include <string>
  75
  76 #include <ext/stdio_filebuf.h>
  77
  78 #undef ABS
  79
  80 #include <apt-pkg/acquire.h>
  81 #include <apt-pkg/acquire-item.h>
  82 #include <apt-pkg/algorithms.h>
  83 #include <apt-pkg/cachefile.h>
  84 #include <apt-pkg/clean.h>
  85 #include <apt-pkg/configuration.h>
  86 #include <apt-pkg/debindexfile.h>
  87 #include <apt-pkg/debmetaindex.h>
  88 #include <apt-pkg/error.h>
  89 #include <apt-pkg/init.h>
  90 #include <apt-pkg/mmap.h>
  91 #include <apt-pkg/pkgrecords.h>
  92 #include <apt-pkg/sha1.h>
  93 #include <apt-pkg/sourcelist.h>
  94 #include <apt-pkg/sptr.h>
  95 #include <apt-pkg/strutl.h>
  96 #include <apt-pkg/tagfile.h>
  97
  98 #include <apr-1/apr_pools.h>
  99
 100 #include <sys/types.h>
 101 #include <sys/stat.h>
 102 #include <sys/sysctl.h>
 103 #include <sys/param.h>
 104 #include <sys/mount.h>
 105 #include <sys/reboot.h>
 106
 107 #include <fcntl.h>
 108 #include <notify.h>
 109 #include <dlfcn.h>
 110
 111 extern "C" {
 112 #include <mach-o/nlist.h>
 113 }
 114
 115 #include <cstdio>
 116 #include <cstdlib>
 117 #include <cstring>
 118
 119 #include <errno.h>
 120 #include <pcre.h>
 121
 122 #include <Cytore.hpp>
 123
 124 #include "UICaboodle/BrowserView.h"
 125 #include "SDURLCache/SDURLCache.h"
 126
 127 #include "substrate.h"
 128 /* }}} */
 129
 130 /* Profiler {{{ */
 131 struct timeval _ltv;
 132 bool _itv;
 133
 134 #define _timestamp ({ \
 135     struct timeval tv; \
 136     gettimeofday(&tv, NULL); \
 137     tv.tv_sec * 1000000 + tv.tv_usec; \
 138 })
 139
 140 typedef std::vector<class ProfileTime *> TimeList;
 141 TimeList times_;
 142
 143 class ProfileTime {
 144   private:
 145     const char *name_;
 146     uint64_t total_;
 147     uint64_t count_;
 148
 149   public:
 150     ProfileTime(const char *name) :
 151         name_(name),
 152         total_(0)
 153     {
 154         times_.push_back(this);
 155     }
 156
 157     void AddTime(uint64_t time) {
 158         total_ += time;
 159         ++count_;
 160     }
 161
 162     void Print() {
 163         if (total_ != 0)
 164             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 165         total_ = 0;
 166         count_ = 0;
 167     }
 168 };
 169
 170 class ProfileTimer {
 171   private:
 172     ProfileTime &time_;
 173     uint64_t start_;
 174
 175   public:
 176     ProfileTimer(ProfileTime &time) :
 177         time_(time),
 178         start_(_timestamp)
 179     {
 180     }
 181
 182     ~ProfileTimer() {
 183         time_.AddTime(_timestamp - start_);
 184     }
 185 };
 186
 187 void PrintTimes() {
 188     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 189         (*i)->Print();
 190     std::cerr << "========" << std::endl;
 191 }
 192
 193 #define _profile(name) { \
 194     static ProfileTime name(#name); \
 195     ProfileTimer _ ## name(name);
 196
 197 #define _end }
 198 /* }}} */
 199
 200 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 201
 202 #define CYPoolStart() \
 203     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 204     do
 205 #define CYPoolEnd() \
 206     while (false); \
 207     [_pool release];
 208
 209 // Hash Functions/Structures {{{
 210 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 211
 212 union SplitHash {
 213     uint32_t u32;
 214     uint16_t u16[2];
 215 };
 216 // }}}
 217
 218 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 219
 220 static _finline NSString *CydiaURL(NSString *path) {
 221     char page[25];
 222     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = ':';
 223     page[5] = '/'; page[6] = '/'; page[7] = 'c'; page[8] = 'y'; page[9] = 'd';
 224     page[10] = 'i'; page[11] = 'a'; page[12] = '.'; page[13] = 's'; page[14] = 'a';
 225     page[15] = 'u'; page[16] = 'r'; page[17] = 'i'; page[18] = 'k'; page[19] = '.';
 226     page[20] = 'c'; page[21] = 'o'; page[22] = 'm'; page[23] = '/'; page[24] = '\0';
 227     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 228 }
 229
 230 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 231     int notify_token;
 232     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 233         notify_set_state(notify_token, newStatus);
 234         notify_cancel(notify_token);
 235     }
 236     notify_post("com.saurik.Cydia.status");
 237 }
 238
 239 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 240 @interface NSObject (Cydia)
 241 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 242 - (id) yieldToSelector:(SEL)selector;
 243 @end
 244
 245 @implementation NSObject (Cydia)
 246
 247 - (void) doNothing {
 248 }
 249
 250 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 251     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 252     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 253     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 254
 255     /* XXX: deal with exceptions */
 256     id value([self performSelector:selector withObject:object]);
 257
 258     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 259     [context removeAllObjects];
 260     if ([signature methodReturnLength] != 0 && value != nil)
 261         [context addObject:value];
 262
 263     stopped = true;
 264
 265     [self
 266         performSelectorOnMainThread:@selector(doNothing)
 267         withObject:nil
 268         waitUntilDone:NO
 269     ];
 270 }
 271
 272 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 273     volatile bool stopped(false);
 274
 275     NSMutableArray *context([NSMutableArray arrayWithObjects:
 276         [NSValue valueWithPointer:selector],
 277         [NSValue valueWithNonretainedObject:object],
 278         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 279     nil]);
 280
 281     NSThread *thread([[[NSThread alloc]
 282         initWithTarget:self
 283         selector:@selector(_yieldToContext:)
 284         object:context
 285     ] autorelease]);
 286
 287     [thread start];
 288
 289     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 290     NSDate *future([NSDate distantFuture]);
 291     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 292
 293     while (!stopped && [loop runMode:mode beforeDate:future]);
 294
 295     return [context count] == 0 ? nil : [context objectAtIndex:0];
 296 }
 297
 298 - (id) yieldToSelector:(SEL)selector {
 299     return [self yieldToSelector:selector withObject:nil];
 300 }
 301
 302 @end
 303 /* }}} */
 304
 305 /* Cydia Alert View {{{ */
 306 @interface CYAlertView : UIAlertView {
 307     unsigned button_;
 308 }
 309
 310 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 311
 312 @end
 313
 314 @implementation CYAlertView
 315
 316 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 317     if ((self = [super init]) != nil) {
 318         [self setTitle:title];
 319         [self setDelegate:self];
 320         for (NSString *button in buttons) [self addButtonWithTitle:button];
 321         [self setCancelButtonIndex:index];
 322     } return self;
 323 }
 324
 325 - (void) _updateFrameForDisplay {
 326     [super _updateFrameForDisplay];
 327     if ([self cancelButtonIndex] == -1) {
 328         NSArray *buttons = [self buttons];
 329         if ([buttons count]) {
 330             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 331             for (UIThreePartButton *button in buttons)
 332                 [button setBackground:background forState:0];
 333         }
 334     }
 335 }
 336
 337 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 338     button_ = buttonIndex + 1;
 339 }
 340
 341 - (void) dismiss {
 342     [self dismissWithClickedButtonIndex:-1 animated:YES];
 343 }
 344
 345 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 346     [self setRunsModal:YES];
 347     button_ = 0;
 348     [self show];
 349     return button_;
 350 }
 351
 352 @end
 353 /* }}} */
 354
 355 /* NSForcedOrderingSearch doesn't work on the iPhone */
 356 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 357 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 358 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 359
 360 #define lprintf(args...) fprintf(stderr, args)
 361
 362 #define ForRelease 1
 363 #define TraceLogging (1 && !ForRelease)
 364 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 365 #define ProfileTimes (0 && !ForRelease)
 366 #define ForSaurik (0 && !ForRelease)
 367 #define LogBrowser (0 && !ForRelease)
 368 #define TrackResize (0 && !ForRelease)
 369 #define ManualRefresh (1 && !ForRelease)
 370 #define ShowInternals (0 && !ForRelease)
 371 #define AlwaysReload (0 && !ForRelease)
 372 #define TryIndexedCollation (0 && !ForRelease)
 373
 374 #if !TraceLogging
 375 #undef _trace
 376 #define _trace(args...)
 377 #endif
 378
 379 #if !ProfileTimes
 380 #undef _profile
 381 #define _profile(name) {
 382 #undef _end
 383 #define _end }
 384 #define PrintTimes() do {} while (false)
 385 #endif
 386
 387 /* Radix Sort {{{ */
 388 typedef uint32_t (*SKRadixFunction)(id, void *);
 389
 390 @interface NSMutableArray (Radix)
 391 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 392 @end
 393
 394 struct RadixItem_ {
 395     size_t index;
 396     uint32_t key;
 397 };
 398
 399 @implementation NSMutableArray (Radix)
 400
 401 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 402     size_t count([self count]);
 403     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 404
 405     for (size_t i(0); i != count; ++i) {
 406         RadixItem_ &item(swap[i]);
 407         item.index = i;
 408
 409         id object([self objectAtIndex:i]);
 410         item.key = function(object, argument);
 411     }
 412
 413     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 414
 415     static const size_t width = 32;
 416     static const size_t bits = 11;
 417     static const size_t slots = 1 << bits;
 418     static const size_t passes = (width + (bits - 1)) / bits;
 419
 420     size_t *hist(new size_t[slots]);
 421
 422     for (size_t pass(0); pass != passes; ++pass) {
 423         memset(hist, 0, sizeof(size_t) * slots);
 424
 425         for (size_t i(0); i != count; ++i) {
 426             uint32_t key(lhs[i].key);
 427             key >>= pass * bits;
 428             key &= _not(uint32_t) >> width - bits;
 429             ++hist[key];
 430         }
 431
 432         size_t offset(0);
 433         for (size_t i(0); i != slots; ++i) {
 434             size_t local(offset);
 435             offset += hist[i];
 436             hist[i] = local;
 437         }
 438
 439         for (size_t i(0); i != count; ++i) {
 440             uint32_t key(lhs[i].key);
 441             key >>= pass * bits;
 442             key &= _not(uint32_t) >> width - bits;
 443             rhs[hist[key]++] = lhs[i];
 444         }
 445
 446         RadixItem_ *tmp(lhs);
 447         lhs = rhs;
 448         rhs = tmp;
 449     }
 450
 451     delete [] hist;
 452
 453     const void **values(new const void *[count]);
 454     for (size_t i(0); i != count; ++i)
 455         values[i] = [self objectAtIndex:lhs[i].index];
 456     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 457     delete [] values;
 458
 459     delete [] swap;
 460 }
 461
 462 @end
 463 /* }}} */
 464 /* Insertion Sort {{{ */
 465
 466 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 467     const char *ptr = (const char *)list;
 468     while (0 < count) {
 469         CFIndex half = count / 2;
 470         const char *probe = ptr + elementSize * half;
 471         CFComparisonResult cr = comparator(element, probe, context);
 472     if (0 == cr) return (probe - (const char *)list) / elementSize;
 473         ptr = (cr < 0) ? ptr : probe + elementSize;
 474         count = (cr < 0) ? half : (half + (count & 1) - 1);
 475     }
 476     return (ptr - (const char *)list) / elementSize;
 477 }
 478
 479 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 480     const char *ptr = (const char *)list;
 481     while (0 < count) {
 482         CFIndex half = count / 2;
 483         const char *probe = ptr + elementSize * half;
 484         CFComparisonResult cr = comparator(element, probe, context);
 485     if (0 == cr) return (probe - (const char *)list) / elementSize;
 486         ptr = (cr < 0) ? ptr : probe + elementSize;
 487         count = (cr < 0) ? half : (half + (count & 1) - 1);
 488     }
 489     return (ptr - (const char *)list) / elementSize;
 490 }
 491
 492 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 493     if (range.length == 0)
 494         return;
 495     const void **values(new const void *[range.length]);
 496     CFArrayGetValues(array, range, values);
 497
 498 #if HistogramInsertionSort > 0
 499     uint32_t total(0), *offsets(new uint32_t[range.length]);
 500 #endif
 501
 502     for (CFIndex index(1); index != range.length; ++index) {
 503         const void *value(values[index]);
 504         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 505         CFIndex correct(index);
 506         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 507 #if HistogramInsertionSort > 1
 508             NSLog(@"%@ < %@", value, values[correct - 1]);
 509 #endif
 510             if (--correct == 0)
 511                 break;
 512         }
 513         if (correct != index) {
 514             size_t offset(index - correct);
 515 #if HistogramInsertionSort
 516             total += offset;
 517             ++offsets[offset];
 518             if (offset > 10)
 519                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 520 #endif
 521             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 522             values[correct] = value;
 523         }
 524     }
 525
 526     CFArrayReplaceValues(array, range, values, range.length);
 527     delete [] values;
 528
 529 #if HistogramInsertionSort > 0
 530     for (CFIndex index(0); index != range.length; ++index)
 531         if (offsets[index] != 0)
 532             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 533     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 534     delete [] offsets;
 535 #endif
 536 }
 537
 538 /* }}} */
 539
 540 /* Apple Bug Fixes {{{ */
 541 @implementation UIWebDocumentView (Cydia)
 542
 543 - (void) _setScrollerOffset:(CGPoint)offset {
 544     UIScroller *scroller([self _scroller]);
 545
 546     CGSize size([scroller contentSize]);
 547     CGSize bounds([scroller bounds].size);
 548
 549     CGPoint max;
 550     max.x = size.width - bounds.width;
 551     max.y = size.height - bounds.height;
 552
 553     // wtf Apple?!
 554     if (max.x < 0)
 555         max.x = 0;
 556     if (max.y < 0)
 557         max.y = 0;
 558
 559     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 560     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 561
 562     [scroller setOffset:offset];
 563 }
 564
 565 @end
 566 /* }}} */
 567
 568 @interface NSInvocation (Cydia)
 569 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 570 @end
 571
 572 @implementation NSInvocation (Cydia)
 573
 574 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 575     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 576     [invocation setTarget:target];
 577     [invocation setSelector:selector];
 578     return invocation;
 579 }
 580
 581 @end
 582
 583 @implementation WebScriptObject (NSFastEnumeration)
 584
 585 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 586     size_t length([self count] - state->state);
 587     if (length <= 0)
 588         return 0;
 589     else if (length > count)
 590         length = count;
 591     for (size_t i(0); i != length; ++i)
 592         objects[i] = [self objectAtIndex:state->state++];
 593     state->itemsPtr = objects;
 594     state->mutationsPtr = (unsigned long *) self;
 595     return length;
 596 }
 597
 598 @end
 599
 600 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 601     size_t length([self length] - state->state);
 602     if (length <= 0)
 603         return 0;
 604     else if (length > count)
 605         length = count;
 606     for (size_t i(0); i != length; ++i)
 607         objects[i] = [self item:state->state++];
 608     state->itemsPtr = objects;
 609     state->mutationsPtr = (unsigned long *) self;
 610     return length;
 611 }
 612
 613 /* Cydia NSString Additions {{{ */
 614 @interface NSString (Cydia)
 615 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 616 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 617 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 618 - (NSComparisonResult) compareByPath:(NSString *)other;
 619 - (NSString *) stringByCachingURLWithCurrentCDN;
 620 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 621 @end
 622
 623 @implementation NSString (Cydia)
 624
 625 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 626     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 627 }
 628
 629 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 630     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 631     memcpy(data, bytes, length);
 632     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 633 }
 634
 635 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 636     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 637 }
 638
 639 - (NSComparisonResult) compareByPath:(NSString *)other {
 640     NSString *prefix = [self commonPrefixWithString:other options:0];
 641     size_t length = [prefix length];
 642
 643     NSRange lrange = NSMakeRange(length, [self length] - length);
 644     NSRange rrange = NSMakeRange(length, [other length] - length);
 645
 646     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 647     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 648
 649     NSComparisonResult value;
 650
 651     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 652         value = NSOrderedSame;
 653     else if (lrange.location == NSNotFound)
 654         value = NSOrderedAscending;
 655     else if (rrange.location == NSNotFound)
 656         value = NSOrderedDescending;
 657     else
 658         value = NSOrderedSame;
 659
 660     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 661         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 662     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 663         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 664
 665     NSComparisonResult result = [lpath compare:rpath];
 666     return result == NSOrderedSame ? value : result;
 667 }
 668
 669 - (NSString *) stringByCachingURLWithCurrentCDN {
 670     return [self
 671         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 672         withString:@"://cache.cydia.saurik.com/"
 673     ];
 674 }
 675
 676 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 677     return [(id)CFURLCreateStringByAddingPercentEscapes(
 678         kCFAllocatorDefault,
 679         (CFStringRef) self,
 680         NULL,
 681         CFSTR(";/?:@&=+$,"),
 682         kCFStringEncodingUTF8
 683     ) autorelease];
 684 }
 685
 686 @end
 687 /* }}} */
 688
 689 /* C++ NSString Wrapper Cache {{{ */
 690 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 691     return size == 0 ? NULL :
 692         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 693         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 694 }
 695
 696 static _finline CFStringRef CYStringCreate(const char *data) {
 697     return CYStringCreate(data, strlen(data));
 698 }
 699
 700 class CYString {
 701   private:
 702     char *data_;
 703     size_t size_;
 704     CFStringRef cache_;
 705
 706     _finline void clear_() {
 707         if (cache_ != NULL) {
 708             CFRelease(cache_);
 709             cache_ = NULL;
 710         }
 711     }
 712
 713   public:
 714     _finline bool empty() const {
 715         return size_ == 0;
 716     }
 717
 718     _finline size_t size() const {
 719         return size_;
 720     }
 721
 722     _finline char *data() const {
 723         return data_;
 724     }
 725
 726     _finline void clear() {
 727         size_ = 0;
 728         clear_();
 729     }
 730
 731     _finline CYString() :
 732         data_(0),
 733         size_(0),
 734         cache_(NULL)
 735     {
 736     }
 737
 738     _finline ~CYString() {
 739         clear_();
 740     }
 741
 742     void operator =(const CYString &rhs) {
 743         data_ = rhs.data_;
 744         size_ = rhs.size_;
 745
 746         if (rhs.cache_ == nil)
 747             cache_ = NULL;
 748         else
 749             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 750     }
 751
 752     void copy(apr_pool_t *pool) {
 753         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 754         memcpy(temp, data_, size_);
 755         temp[size_] = '\0';
 756         data_ = temp;
 757     }
 758
 759     void set(apr_pool_t *pool, const char *data, size_t size) {
 760         if (size == 0)
 761             clear();
 762         else {
 763             clear_();
 764
 765             data_ = const_cast<char *>(data);
 766             size_ = size;
 767
 768             if (pool != NULL)
 769                 copy(pool);
 770         }
 771     }
 772
 773     _finline void set(apr_pool_t *pool, const char *data) {
 774         set(pool, data, data == NULL ? 0 : strlen(data));
 775     }
 776
 777     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 778         set(pool, rhs.data(), rhs.size());
 779     }
 780
 781     bool operator ==(const CYString &rhs) const {
 782         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 783     }
 784
 785     _finline operator CFStringRef() {
 786         if (cache_ == NULL)
 787             cache_ = CYStringCreate(data_, size_);
 788         return cache_;
 789     }
 790
 791     _finline operator id() {
 792         return (NSString *) static_cast<CFStringRef>(*this);
 793     }
 794
 795     _finline operator const char *() {
 796         return reinterpret_cast<const char *>(data_);
 797     }
 798 };
 799 /* }}} */
 800 /* C++ NSString Algorithm Adapters {{{ */
 801 extern "C" {
 802     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 803 }
 804
 805 struct NSStringMapHash :
 806     std::unary_function<NSString *, size_t>
 807 {
 808     _finline size_t operator ()(NSString *value) const {
 809         return CFStringHashNSString((CFStringRef) value);
 810     }
 811 };
 812
 813 struct NSStringMapLess :
 814     std::binary_function<NSString *, NSString *, bool>
 815 {
 816     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 817         return [lhs compare:rhs] == NSOrderedAscending;
 818     }
 819 };
 820
 821 struct NSStringMapEqual :
 822     std::binary_function<NSString *, NSString *, bool>
 823 {
 824     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 825         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 826         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 827         //[lhs isEqualToString:rhs];
 828     }
 829 };
 830 /* }}} */
 831
 832 /* Perl-Compatible RegEx {{{ */
 833 class Pcre {
 834   private:
 835     pcre *code_;
 836     pcre_extra *study_;
 837     int capture_;
 838     int *matches_;
 839     const char *data_;
 840
 841   public:
 842     Pcre(const char *regex) :
 843         study_(NULL)
 844     {
 845         const char *error;
 846         int offset;
 847         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 848
 849         if (code_ == NULL) {
 850             lprintf("%d:%s\n", offset, error);
 851             _assert(false);
 852         }
 853
 854         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 855         matches_ = new int[(capture_ + 1) * 3];
 856     }
 857
 858     ~Pcre() {
 859         pcre_free(code_);
 860         delete matches_;
 861     }
 862
 863     NSString *operator [](size_t match) {
 864         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 865     }
 866
 867     bool operator ()(NSString *data) {
 868         // XXX: length is for characters, not for bytes
 869         return operator ()([data UTF8String], [data length]);
 870     }
 871
 872     bool operator ()(const char *data, size_t size) {
 873         data_ = data;
 874         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 875     }
 876 };
 877 /* }}} */
 878 /* Mime Addresses {{{ */
 879 @interface Address : NSObject {
 880     NSString *name_;
 881     NSString *address_;
 882 }
 883
 884 - (NSString *) name;
 885 - (NSString *) address;
 886
 887 - (void) setAddress:(NSString *)address;
 888
 889 + (Address *) addressWithString:(NSString *)string;
 890 - (Address *) initWithString:(NSString *)string;
 891
 892 @end
 893
 894 @implementation Address
 895
 896 - (void) dealloc {
 897     [name_ release];
 898     if (address_ != nil)
 899         [address_ release];
 900     [super dealloc];
 901 }
 902
 903 - (NSString *) name {
 904     return name_;
 905 }
 906
 907 - (NSString *) address {
 908     return address_;
 909 }
 910
 911 - (void) setAddress:(NSString *)address {
 912     if (address_ != nil)
 913         [address_ autorelease];
 914     if (address == nil)
 915         address_ = nil;
 916     else
 917         address_ = [address retain];
 918 }
 919
 920 + (Address *) addressWithString:(NSString *)string {
 921     return [[[Address alloc] initWithString:string] autorelease];
 922 }
 923
 924 + (NSArray *) _attributeKeys {
 925     return [NSArray arrayWithObjects:
 926         @"address",
 927         @"name",
 928     nil];
 929 }
 930
 931 - (NSArray *) attributeKeys {
 932     return [[self class] _attributeKeys];
 933 }
 934
 935 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 936     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 937 }
 938
 939 - (Address *) initWithString:(NSString *)string {
 940     if ((self = [super init]) != nil) {
 941         const char *data = [string UTF8String];
 942         size_t size = [string length];
 943
 944         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 945
 946         if (address_r(data, size)) {
 947             name_ = [address_r[1] retain];
 948             address_ = [address_r[2] retain];
 949         } else {
 950             name_ = [string retain];
 951             address_ = nil;
 952         }
 953     } return self;
 954 }
 955
 956 @end
 957 /* }}} */
 958 /* CoreGraphics Primitives {{{ */
 959 class CYColor {
 960   private:
 961     CGColorRef color_;
 962
 963     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 964         CGFloat color[] = {red, green, blue, alpha};
 965         return CGColorCreate(space, color);
 966     }
 967
 968   public:
 969     CYColor() :
 970         color_(NULL)
 971     {
 972     }
 973
 974     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 975         color_(Create_(space, red, green, blue, alpha))
 976     {
 977         Set(space, red, green, blue, alpha);
 978     }
 979
 980     void Clear() {
 981         if (color_ != NULL)
 982             CGColorRelease(color_);
 983     }
 984
 985     ~CYColor() {
 986         Clear();
 987     }
 988
 989     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 990         Clear();
 991         color_ = Create_(space, red, green, blue, alpha);
 992     }
 993
 994     operator CGColorRef() {
 995         return color_;
 996     }
 997 };
 998 /* }}} */
 999
1000 /* Random Global Variables {{{ */
1001 static const int PulseInterval_ = 50000;
1002
1003 static const NSString *UI_;
1004
1005 static int Finish_;
1006 static bool RestartSubstrate_;
1007 static NSArray *Finishes_;
1008
1009 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1010 #define NotifyConfig_ "/etc/notify.conf"
1011
1012 static bool Queuing_;
1013
1014 static CYColor Blue_;
1015 static CYColor Blueish_;
1016 static CYColor Black_;
1017 static CYColor Off_;
1018 static CYColor White_;
1019 static CYColor Gray_;
1020 static CYColor Green_;
1021 static CYColor Purple_;
1022 static CYColor Purplish_;
1023
1024 static UIColor *InstallingColor_;
1025 static UIColor *RemovingColor_;
1026
1027 static NSString *App_;
1028 static NSString *Home_;
1029
1030 static BOOL Advanced_;
1031 static BOOL Ignored_;
1032
1033 static UIFont *Font12_;
1034 static UIFont *Font12Bold_;
1035 static UIFont *Font14_;
1036 static UIFont *Font18Bold_;
1037 static UIFont *Font22Bold_;
1038
1039 static const char *Machine_ = NULL;
1040 static NSString *System_ = nil;
1041 static NSString *SerialNumber_ = nil;
1042 static NSString *ChipID_ = nil;
1043 static NSString *Token_ = nil;
1044 static NSString *UniqueID_ = nil;
1045 static NSString *PLMN_ = nil;
1046 static NSString *Build_ = nil;
1047 static NSString *Product_ = nil;
1048 static NSString *Safari_ = nil;
1049
1050 static CFLocaleRef Locale_;
1051 static NSArray *Languages_;
1052 static CGColorSpaceRef space_;
1053
1054 static NSDictionary *SectionMap_;
1055 static NSMutableDictionary *Metadata_;
1056 static _transient NSMutableDictionary *Settings_;
1057 static _transient NSString *Role_;
1058 static _transient NSMutableDictionary *Packages_;
1059 static _transient NSMutableDictionary *Sections_;
1060 static _transient NSMutableDictionary *Sources_;
1061 static bool Changed_;
1062 static time_t now_;
1063
1064 bool IsWildcat_;
1065 static CGFloat ScreenScale_;
1066 /* }}} */
1067
1068 /* Display Helpers {{{ */
1069 inline float Interpolate(float begin, float end, float fraction) {
1070     return (end - begin) * fraction + begin;
1071 }
1072
1073 static _finline const char *StripVersion_(const char *version) {
1074     const char *colon(strchr(version, ':'));
1075     return colon == NULL ? version : colon + 1;
1076 }
1077
1078 NSString *LocalizeSection(NSString *section) {
1079     static Pcre title_r("^(.*?) \\((.*)\\)$");
1080     if (title_r(section)) {
1081         NSString *parent(title_r[1]);
1082         NSString *child(title_r[2]);
1083
1084         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1085             LocalizeSection(parent),
1086             LocalizeSection(child)
1087         ];
1088     }
1089
1090     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1091 }
1092
1093 NSString *Simplify(NSString *title) {
1094     const char *data = [title UTF8String];
1095     size_t size = [title length];
1096
1097     static Pcre square_r("^\\[(.*)\\]$");
1098     if (square_r(data, size))
1099         return Simplify(square_r[1]);
1100
1101     static Pcre paren_r("^\\((.*)\\)$");
1102     if (paren_r(data, size))
1103         return Simplify(paren_r[1]);
1104
1105     static Pcre title_r("^(.*?) \\((.*)\\)$");
1106     if (title_r(data, size))
1107         return Simplify(title_r[1]);
1108
1109     return title;
1110 }
1111 /* }}} */
1112
1113 NSString *GetLastUpdate() {
1114     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1115
1116     if (update == nil)
1117         return UCLocalize("NEVER_OR_UNKNOWN");
1118
1119     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1120     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1121
1122     CFRelease(formatter);
1123
1124     return [(NSString *) formatted autorelease];
1125 }
1126
1127 bool isSectionVisible(NSString *section) {
1128     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1129     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1130     return hidden == nil || ![hidden boolValue];
1131 }
1132
1133 @class Cydia;
1134
1135 /* Delegate Prototypes {{{ */
1136 @class Package;
1137 @class Source;
1138 @class CydiaProgressEvent;
1139
1140 @protocol DatabaseDelegate
1141 - (void) repairWithSelector:(SEL)selector;
1142 - (void) setConfigurationData:(NSString *)data;
1143 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1144 @end
1145
1146 @class CYPackageController;
1147
1148 @protocol CydiaDelegate
1149 - (void) retainNetworkActivityIndicator;
1150 - (void) releaseNetworkActivityIndicator;
1151 - (void) clearPackage:(Package *)package;
1152 - (void) installPackage:(Package *)package;
1153 - (void) installPackages:(NSArray *)packages;
1154 - (void) removePackage:(Package *)package;
1155 - (void) beginUpdate;
1156 - (BOOL) updating;
1157 - (void) distUpgrade;
1158 - (void) loadData;
1159 - (void) updateData;
1160 - (void) syncData;
1161 - (void) addTrivialSource:(NSString *)href;
1162 - (void) showSettings;
1163 - (UIProgressHUD *) addProgressHUD;
1164 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1165 - (CYViewController *) pageForPackage:(NSString *)name;
1166 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1167 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1168 @end
1169 /* }}} */
1170
1171 /* ProgressEvent Interface/Delegate {{{ */
1172 @interface CydiaProgressEvent : NSObject {
1173     _H<NSString> message_;
1174     _H<NSString> type_;
1175     _H<NSString> package_;
1176     _H<NSString> uri_;
1177 }
1178
1179 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1180 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1181
1182 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1183
1184 - (NSString *) message;
1185 - (NSString *) type;
1186 - (NSString *) package;
1187 - (NSString *) uri;
1188
1189 - (void) setPackage:(NSString *)package;
1190
1191 - (NSString *) compound:(NSString *)value;
1192 - (NSString *) compoundMessage;
1193 - (NSString *) compoundTitle;
1194
1195 @end
1196
1197 @protocol ProgressDelegate
1198 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1199 - (void) setProgressPercent:(NSNumber *)percent;
1200 - (bool) isProgressCancelled;
1201 - (void) setTitle:(NSString *)title;
1202 @end
1203 /* }}} */
1204 /* Status Delegation {{{ */
1205 class Status :
1206     public pkgAcquireStatus
1207 {
1208   private:
1209     _transient NSObject<ProgressDelegate> *delegate_;
1210
1211   public:
1212     Status() :
1213         delegate_(nil)
1214     {
1215     }
1216
1217     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1218         delegate_ = delegate;
1219     }
1220
1221     NSObject<ProgressDelegate> *getDelegate() const {
1222         return delegate_;
1223     }
1224
1225     virtual bool MediaChange(std::string media, std::string drive) {
1226         return false;
1227     }
1228
1229     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1230     }
1231
1232     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1233         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1234         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:@"STATUS"]);
1235         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1236     }
1237
1238     virtual void Done(pkgAcquire::ItemDesc &item) {
1239     }
1240
1241     virtual void Fail(pkgAcquire::ItemDesc &item) {
1242         if (
1243             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1244             item.Owner->Status == pkgAcquire::Item::StatDone
1245         )
1246             return;
1247
1248         std::string &error(item.Owner->ErrorText);
1249         if (error.empty())
1250             return;
1251
1252         //NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1253         //NSArray *fields([description componentsSeparatedByString:@" "]);
1254         //NSString *source([fields count] == 0 ? nil : [fields objectAtIndex:0]);
1255
1256         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:@"ERROR"]);
1257         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1258     }
1259
1260     virtual bool Pulse(pkgAcquire *Owner) {
1261         bool value = pkgAcquireStatus::Pulse(Owner);
1262
1263         float percent(
1264             double(CurrentBytes + CurrentItems) /
1265             double(TotalBytes + TotalItems)
1266         );
1267
1268         [delegate_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:percent] waitUntilDone:YES];
1269         return ![delegate_ isProgressCancelled] && value;
1270     }
1271
1272     virtual void Start() {
1273         pkgAcquireStatus::Start();
1274     }
1275
1276     virtual void Stop() {
1277         pkgAcquireStatus::Stop();
1278     }
1279 };
1280 /* }}} */
1281 /* Database Interface {{{ */
1282 typedef std::map< unsigned long, _H<Source> > SourceMap;
1283
1284 @interface Database : NSObject {
1285     NSZone *zone_;
1286     apr_pool_t *pool_;
1287
1288     unsigned era_;
1289
1290     pkgCacheFile cache_;
1291     pkgDepCache::Policy *policy_;
1292     pkgRecords *records_;
1293     pkgProblemResolver *resolver_;
1294     pkgAcquire *fetcher_;
1295     FileFd *lock_;
1296     SPtr<pkgPackageManager> manager_;
1297     pkgSourceList *list_;
1298
1299     SourceMap sourceMap_;
1300     NSMutableArray *sourceList_;
1301
1302     CFMutableArrayRef packages_;
1303
1304     _transient NSObject<DatabaseDelegate> *delegate_;
1305     _transient NSObject<ProgressDelegate> *progress_;
1306
1307     Status status_;
1308
1309     int cydiafd_;
1310     int statusfd_;
1311     FILE *input_;
1312
1313     std::map<const char *, _H<NSString> > sections_;
1314 }
1315
1316 + (Database *) sharedInstance;
1317 - (unsigned) era;
1318
1319 - (void) _readCydia:(NSNumber *)fd;
1320 - (void) _readStatus:(NSNumber *)fd;
1321 - (void) _readOutput:(NSNumber *)fd;
1322
1323 - (FILE *) input;
1324
1325 - (Package *) packageWithName:(NSString *)name;
1326
1327 - (pkgCacheFile &) cache;
1328 - (pkgDepCache::Policy *) policy;
1329 - (pkgRecords *) records;
1330 - (pkgProblemResolver *) resolver;
1331 - (pkgAcquire &) fetcher;
1332 - (pkgSourceList &) list;
1333 - (NSArray *) packages;
1334 - (NSArray *) sources;
1335 - (Source *) sourceWithKey:(NSString *)key;
1336 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1337
1338 - (void) configure;
1339 - (bool) prepare;
1340 - (void) perform;
1341 - (bool) upgrade;
1342 - (void) update;
1343
1344 - (void) updateWithStatus:(Status &)status;
1345
1346 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1347
1348 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1349 - (NSObject<ProgressDelegate> *) progressDelegate;
1350
1351 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1352
1353 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1354
1355 @end
1356 /* }}} */
1357 /* ProgressEvent Implementation {{{ */
1358 @implementation CydiaProgressEvent
1359
1360 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1361     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1362 }
1363
1364 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1365     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1366     [event setPackage:package];
1367     return event;
1368 }
1369
1370 + (NSArray *) _attributeKeys {
1371     return [NSArray arrayWithObjects:
1372         @"message",
1373         @"package",
1374         @"type",
1375         @"uri",
1376     nil];
1377 }
1378
1379 - (NSArray *) attributeKeys {
1380     return [[self class] _attributeKeys];
1381 }
1382
1383 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1384     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1385 }
1386
1387 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1388     if ((self = [super init]) != nil) {
1389         message_ = message;
1390         type_ = type;
1391     } return self;
1392 }
1393
1394 - (NSString *) message {
1395     return message_;
1396 }
1397
1398 - (NSString *) type {
1399     return type_;
1400 }
1401
1402 - (NSString *) package {
1403     return package_;
1404 }
1405
1406 - (NSString *) uri {
1407     return uri_;
1408 }
1409
1410 - (void) setPackage:(NSString *)package {
1411     package_ = package;
1412 }
1413
1414 - (NSString *) compound:(NSString *)value {
1415     if (value != nil) {
1416         NSString *mode(nil); {
1417             NSString *type([self type]);
1418             if ([type isEqualToString:@"ERROR"])
1419                 mode = UCLocalize("ERROR");
1420             else if ([type isEqualToString:@"WARNING"])
1421                 mode = UCLocalize("WARNING");
1422         }
1423
1424         if (mode != nil)
1425             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1426     }
1427
1428     return value;
1429 }
1430
1431 - (NSString *) compoundMessage {
1432     return [self compound:[self message]];
1433 }
1434
1435 - (NSString *) compoundTitle {
1436     NSString *title;
1437
1438     if (package_ == nil)
1439         title = nil;
1440     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1441         title = [package name];
1442     else
1443         title = package_;
1444
1445     return [self compound:title];
1446 }
1447
1448 @end
1449 /* }}} */
1450
1451 // Cytore Definitions {{{
1452 struct PackageValue :
1453     Cytore::Block
1454 {
1455     Cytore::Offset<PackageValue> next_;
1456
1457     uint32_t index_ : 23;
1458     uint32_t subscribed_ : 1;
1459     uint32_t : 8;
1460
1461     int32_t first_;
1462     int32_t last_;
1463
1464     uint16_t vhash_;
1465     uint16_t nhash_;
1466
1467     char version_[8];
1468     char name_[];
1469 };
1470
1471 struct MetaValue :
1472     Cytore::Block
1473 {
1474     uint32_t active_;
1475     Cytore::Offset<PackageValue> packages_[1 << 16];
1476 };
1477
1478 static Cytore::File<MetaValue> MetaFile_;
1479 // }}}
1480 // Cytore Helper Functions {{{
1481 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1482     SplitHash nhash = { hashlittle(name, length) };
1483
1484     PackageValue *metadata;
1485
1486     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1487     offset: if (offset->IsNull()) {
1488         *offset = MetaFile_.New<PackageValue>(length + 1);
1489         metadata = &MetaFile_.Get(*offset);
1490
1491         if (metadata == NULL) {
1492             if (fail != NULL)
1493                 *fail = true;
1494
1495             metadata = new PackageValue();
1496             memset(metadata, 0, sizeof(*metadata));
1497         }
1498
1499         memcpy(metadata->name_, name, length + 1);
1500         metadata->nhash_ = nhash.u16[1];
1501     } else {
1502         metadata = &MetaFile_.Get(*offset);
1503
1504         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1505             offset = &metadata->next_;
1506             goto offset;
1507         }
1508     }
1509
1510     return metadata;
1511 }
1512
1513 static void PackageImport(const void *key, const void *value, void *context) {
1514     bool &fail(*reinterpret_cast<bool *>(context));
1515
1516     char buffer[1024];
1517     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1518         NSLog(@"failed to import package %@", key);
1519         return;
1520     }
1521
1522     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1523     NSDictionary *package((NSDictionary *) value);
1524
1525     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1526         if ([subscribed boolValue] && !metadata->subscribed_)
1527             metadata->subscribed_ = true;
1528
1529     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1530         time_t time([date timeIntervalSince1970]);
1531         if (metadata->first_ > time || metadata->first_ == 0)
1532             metadata->first_ = time;
1533     }
1534
1535     NSDate *date([package objectForKey:@"LastSeen"]);
1536     NSString *version([package objectForKey:@"LastVersion"]);
1537
1538     if (date != nil && version != nil) {
1539         time_t time([date timeIntervalSince1970]);
1540         if (metadata->last_ < time || metadata->last_ == 0)
1541             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1542                 size_t length(strlen(buffer));
1543                 uint16_t vhash(hashlittle(buffer, length));
1544
1545                 size_t capped(std::min<size_t>(8, length));
1546                 char *latest(buffer + length - capped);
1547
1548                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1549                 metadata->vhash_ = vhash;
1550
1551                 metadata->last_ = time;
1552             }
1553     }
1554 }
1555 // }}}
1556
1557 /* Source Class {{{ */
1558 @interface Source : NSObject {
1559     CYString depiction_;
1560     CYString description_;
1561     CYString label_;
1562     CYString origin_;
1563     CYString support_;
1564
1565     CYString uri_;
1566     CYString distribution_;
1567     CYString type_;
1568     CYString version_;
1569
1570     NSString *host_;
1571     NSString *authority_;
1572
1573     CYString defaultIcon_;
1574
1575     NSDictionary *record_;
1576     BOOL trusted_;
1577 }
1578
1579 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1580
1581 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1582
1583 - (NSString *) depictionForPackage:(NSString *)package;
1584 - (NSString *) supportForPackage:(NSString *)package;
1585
1586 - (NSDictionary *) record;
1587 - (BOOL) trusted;
1588
1589 - (NSString *) uri;
1590 - (NSString *) distribution;
1591 - (NSString *) type;
1592 - (NSString *) key;
1593 - (NSString *) host;
1594
1595 - (NSString *) name;
1596 - (NSString *) description;
1597 - (NSString *) label;
1598 - (NSString *) origin;
1599 - (NSString *) version;
1600
1601 - (NSString *) defaultIcon;
1602
1603 @end
1604
1605 @implementation Source
1606
1607 - (void) _clear {
1608     uri_.clear();
1609     distribution_.clear();
1610     type_.clear();
1611
1612     description_.clear();
1613     label_.clear();
1614     origin_.clear();
1615     depiction_.clear();
1616     support_.clear();
1617     version_.clear();
1618     defaultIcon_.clear();
1619
1620     if (record_ != nil) {
1621         [record_ release];
1622         record_ = nil;
1623     }
1624
1625     if (host_ != nil) {
1626         [host_ release];
1627         host_ = nil;
1628     }
1629
1630     if (authority_ != nil) {
1631         [authority_ release];
1632         authority_ = nil;
1633     }
1634 }
1635
1636 - (void) dealloc {
1637     // XXX: this is a very inefficient way to call these deconstructors
1638     [self _clear];
1639     [super dealloc];
1640 }
1641
1642 + (NSArray *) _attributeKeys {
1643     return [NSArray arrayWithObjects:
1644         @"description",
1645         @"distribution",
1646         @"host",
1647         @"key",
1648         @"label",
1649         @"name",
1650         @"origin",
1651         @"trusted",
1652         @"type",
1653         @"uri",
1654         @"version",
1655     nil];
1656 }
1657
1658 - (NSArray *) attributeKeys {
1659     return [[self class] _attributeKeys];
1660 }
1661
1662 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1663     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1664 }
1665
1666 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1667     [self _clear];
1668
1669     trusted_ = index->IsTrusted();
1670
1671     uri_.set(pool, index->GetURI());
1672     distribution_.set(pool, index->GetDist());
1673     type_.set(pool, index->GetType());
1674
1675     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1676     if (dindex != NULL) {
1677         FileFd fd;
1678         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1679             _error->Discard();
1680         else {
1681             pkgTagFile tags(&fd);
1682
1683             pkgTagSection section;
1684             tags.Step(section);
1685
1686             struct {
1687                 const char *name_;
1688                 CYString *value_;
1689             } names[] = {
1690                 {"default-icon", &defaultIcon_},
1691                 {"depiction", &depiction_},
1692                 {"description", &description_},
1693                 {"label", &label_},
1694                 {"origin", &origin_},
1695                 {"support", &support_},
1696                 {"version", &version_},
1697             };
1698
1699             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1700                 const char *start, *end;
1701
1702                 if (section.Find(names[i].name_, start, end)) {
1703                     CYString &value(*names[i].value_);
1704                     value.set(pool, start, end - start);
1705                 }
1706             }
1707         }
1708     }
1709
1710     record_ = [Sources_ objectForKey:[self key]];
1711     if (record_ != nil)
1712         record_ = [record_ retain];
1713
1714     NSURL *url([NSURL URLWithString:uri_]);
1715
1716     host_ = [url host];
1717     if (host_ != nil)
1718         host_ = [[host_ lowercaseString] retain];
1719
1720     if (host_ != nil)
1721         authority_ = host_;
1722     else
1723         authority_ = [url path];
1724
1725     if (authority_ != nil)
1726         authority_ = [authority_ retain];
1727 }
1728
1729 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1730     if ((self = [super init]) != nil) {
1731         [self setMetaIndex:index inPool:pool];
1732     } return self;
1733 }
1734
1735 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1736     NSDictionary *lhr = [self record];
1737     NSDictionary *rhr = [source record];
1738
1739     if (lhr != rhr)
1740         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1741
1742     NSString *lhs = [self name];
1743     NSString *rhs = [source name];
1744
1745     if ([lhs length] != 0 && [rhs length] != 0) {
1746         unichar lhc = [lhs characterAtIndex:0];
1747         unichar rhc = [rhs characterAtIndex:0];
1748
1749         if (isalpha(lhc) && !isalpha(rhc))
1750             return NSOrderedAscending;
1751         else if (!isalpha(lhc) && isalpha(rhc))
1752             return NSOrderedDescending;
1753     }
1754
1755     return [lhs compare:rhs options:LaxCompareOptions_];
1756 }
1757
1758 - (NSString *) depictionForPackage:(NSString *)package {
1759     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1760 }
1761
1762 - (NSString *) supportForPackage:(NSString *)package {
1763     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1764 }
1765
1766 - (NSDictionary *) record {
1767     return record_;
1768 }
1769
1770 - (BOOL) trusted {
1771     return trusted_;
1772 }
1773
1774 - (NSString *) uri {
1775     return uri_;
1776 }
1777
1778 - (NSString *) distribution {
1779     return distribution_;
1780 }
1781
1782 - (NSString *) type {
1783     return type_;
1784 }
1785
1786 - (NSString *) key {
1787     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1788 }
1789
1790 - (NSString *) host {
1791     return host_;
1792 }
1793
1794 - (NSString *) name {
1795     return origin_.empty() ? authority_ : origin_;
1796 }
1797
1798 - (NSString *) description {
1799     return description_;
1800 }
1801
1802 - (NSString *) label {
1803     return label_.empty() ? authority_ : label_;
1804 }
1805
1806 - (NSString *) origin {
1807     return origin_;
1808 }
1809
1810 - (NSString *) version {
1811     return version_;
1812 }
1813
1814 - (NSString *) defaultIcon {
1815     return defaultIcon_;
1816 }
1817
1818 @end
1819 /* }}} */
1820 /* CydiaOperation Class {{{ */
1821 @interface CydiaOperation : NSObject {
1822     NSString *operator_;
1823     NSString *value_;
1824 }
1825
1826 - (NSString *) operator;
1827 - (NSString *) value;
1828
1829 @end
1830
1831 @implementation CydiaOperation
1832
1833 - (void) dealloc {
1834     [operator_ release];
1835     [value_ release];
1836     [super dealloc];
1837 }
1838
1839 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1840     if ((self = [super init]) != nil) {
1841         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1842         value_ = [[NSString alloc] initWithUTF8String:value];
1843     } return self;
1844 }
1845
1846 + (NSArray *) _attributeKeys {
1847     return [NSArray arrayWithObjects:
1848         @"operator",
1849         @"value",
1850     nil];
1851 }
1852
1853 - (NSArray *) attributeKeys {
1854     return [[self class] _attributeKeys];
1855 }
1856
1857 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1858     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1859 }
1860
1861 - (NSString *) operator {
1862     return operator_;
1863 }
1864
1865 - (NSString *) value {
1866     return value_;
1867 }
1868
1869 @end
1870 /* }}} */
1871 /* CydiaClause Class {{{ */
1872 @interface CydiaClause : NSObject {
1873     NSString *package_;
1874     CydiaOperation *version_;
1875 }
1876
1877 - (NSString *) package;
1878 - (CydiaOperation *) version;
1879
1880 @end
1881
1882 @implementation CydiaClause
1883
1884 - (void) dealloc {
1885     [package_ release];
1886     [version_ release];
1887     [super dealloc];
1888 }
1889
1890 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1891     if ((self = [super init]) != nil) {
1892         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1893
1894         if (const char *version = dep.TargetVer())
1895             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1896         else
1897             version_ = [[NSNull null] retain];
1898     } return self;
1899 }
1900
1901 + (NSArray *) _attributeKeys {
1902     return [NSArray arrayWithObjects:
1903         @"package",
1904         @"version",
1905     nil];
1906 }
1907
1908 - (NSArray *) attributeKeys {
1909     return [[self class] _attributeKeys];
1910 }
1911
1912 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1913     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1914 }
1915
1916 - (NSString *) package {
1917     return package_;
1918 }
1919
1920 - (CydiaOperation *) version {
1921     return version_;
1922 }
1923
1924 @end
1925 /* }}} */
1926 /* CydiaRelation Class {{{ */
1927 @interface CydiaRelation : NSObject {
1928     NSString *relationship_;
1929     NSMutableArray *clauses_;
1930 }
1931
1932 - (NSString *) relationship;
1933 - (NSArray *) clauses;
1934
1935 @end
1936
1937 @implementation CydiaRelation
1938
1939 - (void) dealloc {
1940     [relationship_ release];
1941     [clauses_ release];
1942     [super dealloc];
1943 }
1944
1945 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1946     if ((self = [super init]) != nil) {
1947         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
1948         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
1949
1950         pkgCache::DepIterator start;
1951         pkgCache::DepIterator end;
1952         dep.GlobOr(start, end); // ++dep
1953
1954         _forever {
1955             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1956
1957             // yes, seriously. (wtf?)
1958             if (start == end)
1959                 break;
1960             ++start;
1961         }
1962     } return self;
1963 }
1964
1965 + (NSArray *) _attributeKeys {
1966     return [NSArray arrayWithObjects:
1967         @"clauses",
1968         @"relationship",
1969     nil];
1970 }
1971
1972 - (NSArray *) attributeKeys {
1973     return [[self class] _attributeKeys];
1974 }
1975
1976 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1977     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1978 }
1979
1980 - (NSString *) relationship {
1981     return relationship_;
1982 }
1983
1984 - (NSArray *) clauses {
1985     return clauses_;
1986 }
1987
1988 - (void) addClause:(CydiaClause *)clause {
1989     [clauses_ addObject:clause];
1990 }
1991
1992 @end
1993 /* }}} */
1994 /* Package Class {{{ */
1995 struct ParsedPackage {
1996     CYString tagline_;
1997
1998     CYString icon_;
1999
2000     CYString depiction_;
2001     CYString homepage_;
2002
2003     CYString sponsor_;
2004     CYString author_;
2005
2006     CYString bugs_;
2007     CYString support_;
2008 };
2009
2010 @interface Package : NSObject {
2011     uint32_t era_ : 26;
2012     uint32_t role_ : 3;
2013     uint32_t essential_ : 1;
2014     uint32_t obsolete_ : 1;
2015     uint32_t ignored_ : 1;
2016
2017     apr_pool_t *pool_;
2018
2019     _transient Database *database_;
2020
2021     pkgCache::VerIterator version_;
2022     pkgCache::PkgIterator iterator_;
2023     pkgCache::VerFileIterator file_;
2024
2025     CYString id_;
2026     CYString name_;
2027
2028     CYString latest_;
2029     CYString installed_;
2030
2031     const char *section_;
2032     _transient NSString *section$_;
2033
2034     Source *source_;
2035
2036     PackageValue *metadata_;
2037     ParsedPackage *parsed_;
2038
2039     NSMutableArray *tags_;
2040 }
2041
2042 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2043 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2044
2045 - (pkgCache::PkgIterator) iterator;
2046 - (void) parse;
2047
2048 - (NSString *) section;
2049 - (NSString *) simpleSection;
2050
2051 - (NSString *) longSection;
2052 - (NSString *) shortSection;
2053
2054 - (NSString *) uri;
2055
2056 - (Address *) maintainer;
2057 - (size_t) size;
2058 - (NSString *) longDescription;
2059 - (NSString *) shortDescription;
2060 - (unichar) index;
2061
2062 - (PackageValue *) metadata;
2063 - (time_t) seen;
2064
2065 - (bool) subscribed;
2066 - (bool) setSubscribed:(bool)subscribed;
2067
2068 - (BOOL) ignored;
2069
2070 - (NSString *) latest;
2071 - (NSString *) installed;
2072 - (BOOL) uninstalled;
2073
2074 - (BOOL) valid;
2075 - (BOOL) upgradableAndEssential:(BOOL)essential;
2076 - (BOOL) essential;
2077 - (BOOL) broken;
2078 - (BOOL) unfiltered;
2079 - (BOOL) visible;
2080
2081 - (BOOL) half;
2082 - (BOOL) halfConfigured;
2083 - (BOOL) halfInstalled;
2084 - (BOOL) hasMode;
2085 - (NSString *) mode;
2086
2087 - (NSString *) id;
2088 - (NSString *) name;
2089 - (UIImage *) icon;
2090 - (NSString *) homepage;
2091 - (NSString *) depiction;
2092 - (Address *) author;
2093
2094 - (NSString *) support;
2095
2096 - (NSArray *) files;
2097 - (NSArray *) warnings;
2098 - (NSArray *) applications;
2099
2100 - (Source *) source;
2101
2102 - (BOOL) matches:(NSString *)text;
2103
2104 - (bool) hasSupportingRole;
2105 - (BOOL) hasTag:(NSString *)tag;
2106 - (NSString *) primaryPurpose;
2107 - (NSArray *) purposes;
2108 - (bool) isCommercial;
2109
2110 - (void) setIndex:(size_t)index;
2111
2112 - (CYString &) cyname;
2113
2114 - (uint32_t) compareBySection:(NSArray *)sections;
2115
2116 - (void) install;
2117 - (void) remove;
2118
2119 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2120 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2121 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2122 - (bool) isVisibleInSection:(NSString *)section;
2123 - (bool) isVisibleInSource:(Source *)source;
2124
2125 @end
2126
2127 uint32_t PackageChangesRadix(Package *self, void *) {
2128     union {
2129         uint32_t key;
2130
2131         struct {
2132             uint32_t timestamp : 30;
2133             uint32_t ignored : 1;
2134             uint32_t upgradable : 1;
2135         } bits;
2136     } value;
2137
2138     bool upgradable([self upgradableAndEssential:YES]);
2139     value.bits.upgradable = upgradable ? 1 : 0;
2140
2141     if (upgradable) {
2142         value.bits.timestamp = 0;
2143         value.bits.ignored = [self ignored] ? 0 : 1;
2144         value.bits.upgradable = 1;
2145     } else {
2146         value.bits.timestamp = [self seen] >> 2;
2147         value.bits.ignored = 0;
2148         value.bits.upgradable = 0;
2149     }
2150
2151     return _not(uint32_t) - value.key;
2152 }
2153
2154 uint32_t PackagePrefixRadix(Package *self, void *context) {
2155     size_t offset(reinterpret_cast<size_t>(context));
2156     CYString &name([self cyname]);
2157
2158     size_t size(name.size());
2159     if (size == 0)
2160         return 0;
2161     char *text(name.data());
2162
2163     size_t zeros;
2164     if (!isdigit(text[0]))
2165         zeros = 0;
2166     else {
2167         size_t digits(1);
2168         while (size != digits && isdigit(text[digits]))
2169             if (++digits == 4)
2170                 break;
2171         zeros = 4 - digits;
2172     }
2173
2174     uint8_t data[4];
2175
2176     if (offset == 0 && zeros != 0) {
2177         memset(data, '0', zeros);
2178         memcpy(data + zeros, text, 4 - zeros);
2179     } else {
2180         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2181         if (size <= offset - zeros)
2182             return 0;
2183
2184         text += offset - zeros;
2185         size -= offset - zeros;
2186
2187         if (size >= 4)
2188             memcpy(data, text, 4);
2189         else {
2190             memcpy(data, text, size);
2191             memset(data + size, 0, 4 - size);
2192         }
2193
2194         for (size_t i(0); i != 4; ++i)
2195             if (isalpha(data[i]))
2196                 data[i] |= 0x20;
2197     }
2198
2199     if (offset == 0)
2200         if (data[0] == '@')
2201             data[0] = 0x7f;
2202         else
2203             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2204
2205     /* XXX: ntohl may be more honest */
2206     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2207 }
2208
2209 CYString &(*PackageName)(Package *self, SEL sel);
2210
2211 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2212     _profile(PackageNameCompare)
2213         CYString &lhi(PackageName(lhs, @selector(cyname)));
2214         CYString &rhi(PackageName(rhs, @selector(cyname)));
2215         CFStringRef lhn(lhi), rhn(rhi);
2216
2217         if (lhn == NULL)
2218             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2219         else if (rhn == NULL)
2220             return NSOrderedDescending;
2221
2222         _profile(PackageNameCompare$NumbersLast)
2223             if (!lhi.empty() && !rhi.empty()) {
2224                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2225                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2226                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2227                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2228                     return lha ? NSOrderedAscending : NSOrderedDescending;
2229             }
2230         _end
2231
2232         CFIndex length = CFStringGetLength(lhn);
2233
2234         _profile(PackageNameCompare$Compare)
2235             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2236         _end
2237     _end
2238 }
2239
2240 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2241     return PackageNameCompare(*lhs, *rhs, context);
2242 }
2243
2244 struct PackageNameOrdering :
2245     std::binary_function<Package *, Package *, bool>
2246 {
2247     _finline bool operator ()(Package *lhs, Package *rhs) const {
2248         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2249     }
2250 };
2251
2252 @implementation Package
2253
2254 - (NSString *) description {
2255     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2256 }
2257
2258 - (void) dealloc {
2259     if (parsed_ != NULL)
2260         delete parsed_;
2261     if (source_ != nil)
2262         [source_ release];
2263     if (tags_ != nil)
2264         [tags_ release];
2265     [super dealloc];
2266 }
2267
2268 + (NSString *) webScriptNameForSelector:(SEL)selector {
2269     if (false);
2270     else if (selector == @selector(clear))
2271         return @"clear";
2272     else if (selector == @selector(getField:))
2273         return @"getField";
2274     else if (selector == @selector(hasTag:))
2275         return @"hasTag";
2276     else if (selector == @selector(install))
2277         return @"install";
2278     else if (selector == @selector(remove))
2279         return @"remove";
2280     else
2281         return nil;
2282 }
2283
2284 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2285     return [self webScriptNameForSelector:selector] == nil;
2286 }
2287
2288 + (NSArray *) _attributeKeys {
2289     return [NSArray arrayWithObjects:
2290         @"applications",
2291         @"author",
2292         @"depiction",
2293         @"essential",
2294         @"homepage",
2295         @"icon",
2296         @"id",
2297         @"installed",
2298         @"latest",
2299         @"longDescription",
2300         @"longSection",
2301         @"maintainer",
2302         @"mode",
2303         @"name",
2304         @"purposes",
2305         @"relations",
2306         @"section",
2307         @"shortDescription",
2308         @"shortSection",
2309         @"simpleSection",
2310         @"size",
2311         @"source",
2312         @"sponsor",
2313         @"support",
2314         @"warnings",
2315     nil];
2316 }
2317
2318 - (NSArray *) attributeKeys {
2319     return [[self class] _attributeKeys];
2320 }
2321
2322 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2323     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2324 }
2325
2326 - (NSArray *) relations {
2327 @synchronized (database_) {
2328     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2329     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2330         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2331     return relations;
2332 } }
2333
2334 - (NSString *) getField:(NSString *)name {
2335 @synchronized (database_) {
2336     if ([database_ era] != era_ || file_.end())
2337         return nil;
2338
2339     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2340
2341     const char *start, *end;
2342     if (!parser.Find([name UTF8String], start, end))
2343         return (NSString *) [NSNull null];
2344
2345     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2346 } }
2347
2348 - (void) parse {
2349     if (parsed_ != NULL)
2350         return;
2351 @synchronized (database_) {
2352     if ([database_ era] != era_ || file_.end())
2353         return;
2354
2355     ParsedPackage *parsed(new ParsedPackage);
2356     parsed_ = parsed;
2357
2358     _profile(Package$parse)
2359         pkgRecords::Parser *parser;
2360
2361         _profile(Package$parse$Lookup)
2362             parser = &[database_ records]->Lookup(file_);
2363         _end
2364
2365         CYString website;
2366
2367         _profile(Package$parse$Find)
2368             struct {
2369                 const char *name_;
2370                 CYString *value_;
2371             } names[] = {
2372                 {"icon", &parsed->icon_},
2373                 {"depiction", &parsed->depiction_},
2374                 {"homepage", &parsed->homepage_},
2375                 {"website", &website},
2376                 {"bugs", &parsed->bugs_},
2377                 {"support", &parsed->support_},
2378                 {"sponsor", &parsed->sponsor_},
2379                 {"author", &parsed->author_},
2380             };
2381
2382             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2383                 const char *start, *end;
2384
2385                 if (parser->Find(names[i].name_, start, end)) {
2386                     CYString &value(*names[i].value_);
2387                     _profile(Package$parse$Value)
2388                         value.set(pool_, start, end - start);
2389                     _end
2390                 }
2391             }
2392         _end
2393
2394         _profile(Package$parse$Tagline)
2395             const char *start, *end;
2396             if (parser->ShortDesc(start, end)) {
2397                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2398                 if (stop == NULL)
2399                     stop = end;
2400                 while (stop != start && stop[-1] == '\r')
2401                     --stop;
2402                 parsed->tagline_.set(pool_, start, stop - start);
2403             }
2404         _end
2405
2406         _profile(Package$parse$Retain)
2407             if (parsed->homepage_.empty())
2408                 parsed->homepage_ = website;
2409             if (parsed->homepage_ == parsed->depiction_)
2410                 parsed->homepage_.clear();
2411         _end
2412     _end
2413 } }
2414
2415 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2416     if ((self = [super init]) != nil) {
2417     _profile(Package$initWithVersion)
2418         pool_ = pool;
2419
2420         database_ = database;
2421         era_ = [database era];
2422
2423         version_ = version;
2424
2425         pkgCache::PkgIterator iterator(version.ParentPkg());
2426         iterator_ = iterator;
2427
2428         _profile(Package$initWithVersion$Version)
2429             if (!version_.end())
2430                 file_ = version_.FileList();
2431             else {
2432                 pkgCache &cache([database_ cache]);
2433                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2434             }
2435         _end
2436
2437         _profile(Package$initWithVersion$Cache)
2438             name_.set(NULL, iterator.Display());
2439
2440             latest_.set(NULL, StripVersion_(version_.VerStr()));
2441
2442             pkgCache::VerIterator current(iterator.CurrentVer());
2443             if (!current.end())
2444                 installed_.set(NULL, StripVersion_(current.VerStr()));
2445         _end
2446
2447         _profile(Package$initWithVersion$Tags)
2448             pkgCache::TagIterator tag(iterator.TagList());
2449             if (!tag.end()) {
2450                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2451                 do {
2452                     const char *name(tag.Name());
2453                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2454
2455                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2456                         if (strcmp(name + 6, "enduser") == 0)
2457                             role_ = 1;
2458                         else if (strcmp(name + 6, "hacker") == 0)
2459                             role_ = 2;
2460                         else if (strcmp(name + 6, "developer") == 0)
2461                             role_ = 3;
2462                         else if (strcmp(name + 6, "cydia") == 0)
2463                             role_ = 7;
2464                         else
2465                             role_ = 4;
2466                     }
2467
2468                     if (strncmp(name, "cydia::", 7) == 0) {
2469                         if (strcmp(name + 7, "essential") == 0)
2470                             essential_ = true;
2471                         else if (strcmp(name + 7, "obsolete") == 0)
2472                             obsolete_ = true;
2473                     }
2474
2475                     ++tag;
2476                 } while (!tag.end());
2477             }
2478         _end
2479
2480         _profile(Package$initWithVersion$Metadata)
2481             const char *mixed(iterator.Name());
2482             size_t size(strlen(mixed));
2483             char lower[size + 1];
2484
2485             for (size_t i(0); i != size; ++i)
2486                 lower[i] = mixed[i] | 0x20;
2487             lower[size] = '\0';
2488
2489             PackageValue *metadata(PackageFind(lower, size));
2490             metadata_ = metadata;
2491
2492             id_.set(NULL, metadata->name_, size);
2493
2494             const char *latest(version_.VerStr());
2495             size_t length(strlen(latest));
2496
2497             uint16_t vhash(hashlittle(latest, length));
2498
2499             size_t capped(std::min<size_t>(8, length));
2500             latest = latest + length - capped;
2501
2502             if (metadata->first_ == 0)
2503                 metadata->first_ = now_;
2504
2505             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2506                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2507                 metadata->vhash_ = vhash;
2508                 metadata->last_ = now_;
2509             } else if (metadata->last_ == 0)
2510                 metadata->last_ = metadata->first_;
2511         _end
2512
2513         _profile(Package$initWithVersion$Section)
2514             section_ = iterator.Section();
2515         _end
2516
2517         _profile(Package$initWithVersion$Flags)
2518             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2519             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2520         _end
2521     _end } return self;
2522 }
2523
2524 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2525     pkgCache::VerIterator version;
2526
2527     _profile(Package$packageWithIterator$GetCandidateVer)
2528         version = [database policy]->GetCandidateVer(iterator);
2529     _end
2530
2531     if (version.end())
2532         return nil;
2533
2534     Package *package;
2535
2536     _profile(Package$packageWithIterator$Allocate)
2537         package = [Package allocWithZone:zone];
2538     _end
2539
2540     _profile(Package$packageWithIterator$Initialize)
2541         package = [package
2542             initWithVersion:version
2543             withZone:zone
2544             inPool:pool
2545             database:database
2546         ];
2547     _end
2548
2549     _profile(Package$packageWithIterator$Autorelease)
2550         package = [package autorelease];
2551     _end
2552
2553     return package;
2554 }
2555
2556 - (pkgCache::PkgIterator) iterator {
2557     return iterator_;
2558 }
2559
2560 - (NSString *) section {
2561     if (section$_ == nil) {
2562         if (section_ == NULL)
2563             return nil;
2564
2565         _profile(Package$section$mappedSectionForPointer)
2566             section$_ = [database_ mappedSectionForPointer:section_];
2567         _end
2568     } return section$_;
2569 }
2570
2571 - (NSString *) simpleSection {
2572     if (NSString *section = [self section])
2573         return Simplify(section);
2574     else
2575         return nil;
2576 }
2577
2578 - (NSString *) longSection {
2579     return LocalizeSection([self section]);
2580 }
2581
2582 - (NSString *) shortSection {
2583     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2584 }
2585
2586 - (NSString *) uri {
2587     return nil;
2588 #if 0
2589     pkgIndexFile *index;
2590     pkgCache::PkgFileIterator file(file_.File());
2591     if (![database_ list].FindIndex(file, index))
2592         return nil;
2593     return [NSString stringWithUTF8String:iterator_->Path];
2594     //return [NSString stringWithUTF8String:file.Site()];
2595     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2596 #endif
2597 }
2598
2599 - (Address *) maintainer {
2600 @synchronized (database_) {
2601     if ([database_ era] != era_ || file_.end())
2602         return nil;
2603
2604     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2605     const std::string &maintainer(parser->Maintainer());
2606     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2607 } }
2608
2609 - (size_t) size {
2610 @synchronized (database_) {
2611     if ([database_ era] != era_ || version_.end())
2612         return 0;
2613
2614     return version_->InstalledSize;
2615 } }
2616
2617 - (NSString *) longDescription {
2618 @synchronized (database_) {
2619     if ([database_ era] != era_ || file_.end())
2620         return nil;
2621
2622     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2623     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2624
2625     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2626     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2627     if ([lines count] < 2)
2628         return nil;
2629
2630     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2631     for (size_t i(1), e([lines count]); i != e; ++i) {
2632         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2633         [trimmed addObject:trim];
2634     }
2635
2636     return [trimmed componentsJoinedByString:@"\n"];
2637 } }
2638
2639 - (NSString *) shortDescription {
2640     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2641 }
2642
2643 - (unichar) index {
2644     _profile(Package$index)
2645         CFStringRef name((CFStringRef) [self name]);
2646         if (CFStringGetLength(name) == 0)
2647             return '#';
2648         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2649         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2650             return '#';
2651         return toupper(character);
2652     _end
2653 }
2654
2655 - (PackageValue *) metadata {
2656     return metadata_;
2657 }
2658
2659 - (time_t) seen {
2660     PackageValue *metadata([self metadata]);
2661     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2662 }
2663
2664 - (bool) subscribed {
2665     return [self metadata]->subscribed_;
2666 }
2667
2668 - (bool) setSubscribed:(bool)subscribed {
2669     PackageValue *metadata([self metadata]);
2670     if (metadata->subscribed_ == subscribed)
2671         return false;
2672     metadata->subscribed_ = subscribed;
2673     return true;
2674 }
2675
2676 - (BOOL) ignored {
2677     return ignored_;
2678 }
2679
2680 - (NSString *) latest {
2681     return latest_;
2682 }
2683
2684 - (NSString *) installed {
2685     return installed_;
2686 }
2687
2688 - (BOOL) uninstalled {
2689     return installed_.empty();
2690 }
2691
2692 - (BOOL) valid {
2693     return !version_.end();
2694 }
2695
2696 - (BOOL) upgradableAndEssential:(BOOL)essential {
2697     _profile(Package$upgradableAndEssential)
2698         pkgCache::VerIterator current(iterator_.CurrentVer());
2699         if (current.end())
2700             return essential && essential_;
2701         else
2702             return !version_.end() && version_ != current;
2703     _end
2704 }
2705
2706 - (BOOL) essential {
2707     return essential_;
2708 }
2709
2710 - (BOOL) broken {
2711     return [database_ cache][iterator_].InstBroken();
2712 }
2713
2714 - (BOOL) unfiltered {
2715     _profile(Package$unfiltered$obsolete)
2716         if (_unlikely(obsolete_))
2717             return false;
2718     _end
2719
2720     _profile(Package$unfiltered$hasSupportingRole)
2721         if (_unlikely(![self hasSupportingRole]))
2722             return false;
2723     _end
2724
2725     return true;
2726 }
2727
2728 - (BOOL) visible {
2729     if (![self unfiltered])
2730         return false;
2731
2732     NSString *section;
2733
2734     _profile(Package$visible$section)
2735         section = [self section];
2736     _end
2737
2738     _profile(Package$visible$isSectionVisible)
2739         if (!isSectionVisible(section))
2740             return false;
2741     _end
2742
2743     return true;
2744 }
2745
2746 - (BOOL) half {
2747     unsigned char current(iterator_->CurrentState);
2748     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2749 }
2750
2751 - (BOOL) halfConfigured {
2752     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2753 }
2754
2755 - (BOOL) halfInstalled {
2756     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2757 }
2758
2759 - (BOOL) hasMode {
2760     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2761     return state.Mode != pkgDepCache::ModeKeep;
2762 }
2763
2764 - (NSString *) mode {
2765     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2766
2767     switch (state.Mode) {
2768         case pkgDepCache::ModeDelete:
2769             if ((state.iFlags & pkgDepCache::Purge) != 0)
2770                 return @"PURGE";
2771             else
2772                 return @"REMOVE";
2773         case pkgDepCache::ModeKeep:
2774             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2775                 return @"REINSTALL";
2776             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2777                 return nil;*/
2778             else
2779                 return nil;
2780         case pkgDepCache::ModeInstall:
2781             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2782                 return @"REINSTALL";
2783             else*/ switch (state.Status) {
2784                 case -1:
2785                     return @"DOWNGRADE";
2786                 case 0:
2787                     return @"INSTALL";
2788                 case 1:
2789                     return @"UPGRADE";
2790                 case 2:
2791                     return @"NEW_INSTALL";
2792                 _nodefault
2793             }
2794         _nodefault
2795     }
2796 }
2797
2798 - (NSString *) id {
2799     return id_;
2800 }
2801
2802 - (NSString *) name {
2803     return name_.empty() ? id_ : name_;
2804 }
2805
2806 - (UIImage *) icon {
2807     NSString *section = [self simpleSection];
2808
2809     UIImage *icon(nil);
2810     if (parsed_ != NULL)
2811         if (NSString *href = parsed_->icon_)
2812             if ([href hasPrefix:@"file:///"])
2813                 // XXX: correct escaping
2814                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2815     if (icon == nil) if (section != nil)
2816         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2817     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2818         if ([dicon hasPrefix:@"file:///"])
2819             // XXX: correct escaping
2820             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2821     if (icon == nil)
2822         icon = [UIImage applicationImageNamed:@"unknown.png"];
2823     return icon;
2824 }
2825
2826 - (NSString *) homepage {
2827     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2828 }
2829
2830 - (NSString *) depiction {
2831     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2832 }
2833
2834 - (Address *) sponsor {
2835     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2836 }
2837
2838 - (Address *) author {
2839     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2840 }
2841
2842 - (NSString *) support {
2843     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2844 }
2845
2846 - (NSArray *) files {
2847     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2848     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2849
2850     std::ifstream fin;
2851     fin.open([path UTF8String]);
2852     if (!fin.is_open())
2853         return nil;
2854
2855     std::string line;
2856     while (std::getline(fin, line))
2857         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2858
2859     return files;
2860 }
2861
2862 - (NSArray *) warnings {
2863     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2864     const char *name(iterator_.Name());
2865
2866     size_t length(strlen(name));
2867     if (length < 2) invalid:
2868         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2869     else for (size_t i(0); i != length; ++i)
2870         if (
2871             /* XXX: technically this is not allowed */
2872             (name[i] < 'A' || name[i] > 'Z') &&
2873             (name[i] < 'a' || name[i] > 'z') &&
2874             (name[i] < '0' || name[i] > '9') &&
2875             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2876         ) goto invalid;
2877
2878     if (strcmp(name, "cydia") != 0) {
2879         bool cydia = false;
2880         bool user = false;
2881         bool _private = false;
2882         bool stash = false;
2883
2884         bool repository = [[self section] isEqualToString:@"Repositories"];
2885
2886         if (NSArray *files = [self files])
2887             for (NSString *file in files)
2888                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2889                     cydia = true;
2890                 else if (!user && [file isEqualToString:@"/User"])
2891                     user = true;
2892                 else if (!_private && [file isEqualToString:@"/private"])
2893                     _private = true;
2894                 else if (!stash && [file isEqualToString:@"/var/stash"])
2895                     stash = true;
2896
2897         /* XXX: this is not sensitive enough. only some folders are valid. */
2898         if (cydia && !repository)
2899             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
2900         if (user)
2901             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
2902         if (_private)
2903             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
2904         if (stash)
2905             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
2906     }
2907
2908     return [warnings count] == 0 ? nil : warnings;
2909 }
2910
2911 - (NSArray *) applications {
2912     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
2913
2914     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
2915
2916     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
2917     if (NSArray *files = [self files])
2918         for (NSString *file in files)
2919             if (application_r(file)) {
2920                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
2921                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
2922                 if ([id isEqualToString:me])
2923                     continue;
2924
2925                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
2926                 if (display == nil)
2927                     display = application_r[1];
2928
2929                 NSString *bundle([file stringByDeletingLastPathComponent]);
2930                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
2931                 if (icon == nil || [icon length] == 0)
2932                     icon = @"icon.png";
2933                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
2934
2935                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
2936                 [applications addObject:application];
2937
2938                 [application addObject:id];
2939                 [application addObject:display];
2940                 [application addObject:url];
2941             }
2942
2943     return [applications count] == 0 ? nil : applications;
2944 }
2945
2946 - (Source *) source {
2947     if (source_ == nil) {
2948         @synchronized (database_) {
2949             if ([database_ era] != era_ || file_.end())
2950                 source_ = (Source *) [NSNull null];
2951             else
2952                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
2953         }
2954     }
2955
2956     return source_ == (Source *) [NSNull null] ? nil : source_;
2957 }
2958
2959 - (BOOL) matches:(NSString *)text {
2960     if (text == nil)
2961         return NO;
2962
2963     NSRange range;
2964
2965     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
2966     if (range.location != NSNotFound)
2967         return YES;
2968
2969     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
2970     if (range.location != NSNotFound)
2971         return YES;
2972
2973     [self parse];
2974
2975     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
2976     if (range.location != NSNotFound)
2977         return YES;
2978
2979     return NO;
2980 }
2981
2982 - (bool) hasSupportingRole {
2983     if (role_ == 0)
2984         return true;
2985     if (role_ == 1)
2986         return true;
2987     if ([Role_ isEqualToString:@"User"])
2988         return false;
2989     if (role_ == 2)
2990         return true;
2991     if ([Role_ isEqualToString:@"Hacker"])
2992         return false;
2993     if (role_ == 3)
2994         return true;
2995     if ([Role_ isEqualToString:@"Developer"])
2996         return false;
2997     _assert(false);
2998 }
2999
3000 - (BOOL) hasTag:(NSString *)tag {
3001     return tags_ == nil ? NO : [tags_ containsObject:tag];
3002 }
3003
3004 - (NSString *) primaryPurpose {
3005     for (NSString *tag in tags_)
3006         if ([tag hasPrefix:@"purpose::"])
3007             return [tag substringFromIndex:9];
3008     return nil;
3009 }
3010
3011 - (NSArray *) purposes {
3012     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3013     for (NSString *tag in tags_)
3014         if ([tag hasPrefix:@"purpose::"])
3015             [purposes addObject:[tag substringFromIndex:9]];
3016     return [purposes count] == 0 ? nil : purposes;
3017 }
3018
3019 - (bool) isCommercial {
3020     return [self hasTag:@"cydia::commercial"];
3021 }
3022
3023 - (void) setIndex:(size_t)index {
3024     if (metadata_->index_ != index)
3025         metadata_->index_ = index;
3026 }
3027
3028 - (CYString &) cyname {
3029     return name_.empty() ? id_ : name_;
3030 }
3031
3032 - (uint32_t) compareBySection:(NSArray *)sections {
3033     NSString *section([self section]);
3034     for (size_t i(0), e([sections count]); i != e; ++i) {
3035         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3036             return i;
3037     }
3038
3039     return _not(uint32_t);
3040 }
3041
3042 - (void) clear {
3043 @synchronized (database_) {
3044     pkgProblemResolver *resolver = [database_ resolver];
3045     resolver->Clear(iterator_);
3046
3047     pkgCacheFile &cache([database_ cache]);
3048     cache->SetReInstall(iterator_, false);
3049     cache->MarkKeep(iterator_, false);
3050 } }
3051
3052 - (void) install {
3053 @synchronized (database_) {
3054     pkgProblemResolver *resolver = [database_ resolver];
3055     resolver->Clear(iterator_);
3056     resolver->Protect(iterator_);
3057
3058     pkgCacheFile &cache([database_ cache]);
3059     cache->SetReInstall(iterator_, false);
3060     cache->MarkInstall(iterator_, false);
3061
3062     pkgDepCache::StateCache &state((*cache)[iterator_]);
3063     if (!state.Install())
3064         cache->SetReInstall(iterator_, true);
3065 } }
3066
3067 - (void) remove {
3068 @synchronized (database_) {
3069     pkgProblemResolver *resolver = [database_ resolver];
3070     resolver->Clear(iterator_);
3071     resolver->Remove(iterator_);
3072     resolver->Protect(iterator_);
3073
3074     pkgCacheFile &cache([database_ cache]);
3075     cache->SetReInstall(iterator_, false);
3076     cache->MarkDelete(iterator_, true);
3077 } }
3078
3079 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3080     _profile(Package$isUnfilteredAndSearchedForBy)
3081         bool value(true);
3082
3083         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3084             value &= [self unfiltered];
3085         _end
3086
3087         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3088             value &= [self matches:search];
3089         _end
3090
3091         return value;
3092     _end
3093 }
3094
3095 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3096     if ([search length] == 0)
3097         return false;
3098
3099     _profile(Package$isUnfilteredAndSelectedForBy)
3100         bool value(true);
3101
3102         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3103             value &= [self unfiltered];
3104         _end
3105
3106         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3107             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3108         _end
3109
3110         return value;
3111     _end
3112 }
3113
3114 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3115     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3116 }
3117
3118 - (bool) isVisibleInSection:(NSString *)name {
3119     NSString *section([self section]);
3120
3121     return (
3122         name == nil ||
3123         section == nil && [name length] == 0 ||
3124         [name isEqualToString:section]
3125     ) && [self visible];
3126 }
3127
3128 - (bool) isVisibleInSource:(Source *)source {
3129     return [self source] == source && [self visible];
3130 }
3131
3132 @end
3133 /* }}} */
3134 /* Section Class {{{ */
3135 @interface Section : NSObject {
3136     NSString *name_;
3137     unichar index_;
3138     size_t row_;
3139     size_t count_;
3140     NSString *localized_;
3141 }
3142
3143 - (NSComparisonResult) compareByLocalized:(Section *)section;
3144 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3145 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3146 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3147 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3148 - (NSString *) name;
3149 - (unichar) index;
3150
3151 - (size_t) row;
3152 - (size_t) count;
3153
3154 - (void) addToRow;
3155 - (void) addToCount;
3156
3157 - (void) setCount:(size_t)count;
3158 - (NSString *) localized;
3159
3160 @end
3161
3162 @implementation Section
3163
3164 - (void) dealloc {
3165     [name_ release];
3166     if (localized_ != nil)
3167         [localized_ release];
3168     [super dealloc];
3169 }
3170
3171 - (NSComparisonResult) compareByLocalized:(Section *)section {
3172     NSString *lhs(localized_);
3173     NSString *rhs([section localized]);
3174
3175     /*if ([lhs length] != 0 && [rhs length] != 0) {
3176         unichar lhc = [lhs characterAtIndex:0];
3177         unichar rhc = [rhs characterAtIndex:0];
3178
3179         if (isalpha(lhc) && !isalpha(rhc))
3180             return NSOrderedAscending;
3181         else if (!isalpha(lhc) && isalpha(rhc))
3182             return NSOrderedDescending;
3183     }*/
3184
3185     return [lhs compare:rhs options:LaxCompareOptions_];
3186 }
3187
3188 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3189     if ((self = [self initWithName:name localize:NO]) != nil) {
3190         if (localized != nil)
3191             localized_ = [localized retain];
3192     } return self;
3193 }
3194
3195 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3196     return [self initWithName:name row:0 localize:localize];
3197 }
3198
3199 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3200     if ((self = [super init]) != nil) {
3201         name_ = [name retain];
3202         index_ = '\0';
3203         row_ = row;
3204         if (localize)
3205             localized_ = [LocalizeSection(name_) retain];
3206     } return self;
3207 }
3208
3209 /* XXX: localize the index thingees */
3210 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3211     if ((self = [super init]) != nil) {
3212         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3213         index_ = index;
3214         row_ = row;
3215     } return self;
3216 }
3217
3218 - (NSString *) name {
3219     return name_;
3220 }
3221
3222 - (unichar) index {
3223     return index_;
3224 }
3225
3226 - (size_t) row {
3227     return row_;
3228 }
3229
3230 - (size_t) count {
3231     return count_;
3232 }
3233
3234 - (void) addToRow {
3235     ++row_;
3236 }
3237
3238 - (void) addToCount {
3239     ++count_;
3240 }
3241
3242 - (void) setCount:(size_t)count {
3243     count_ = count;
3244 }
3245
3246 - (NSString *) localized {
3247     return localized_;
3248 }
3249
3250 @end
3251 /* }}} */
3252
3253 static NSString *Colon_;
3254 static NSString *Elision_;
3255 static NSString *Error_;
3256 static NSString *Warning_;
3257
3258 /* Database Implementation {{{ */
3259 @implementation Database
3260
3261 + (Database *) sharedInstance {
3262     static Database *instance;
3263     if (instance == nil)
3264         instance = [[Database alloc] init];
3265     return instance;
3266 }
3267
3268 - (unsigned) era {
3269     return era_;
3270 }
3271
3272 - (void) releasePackages {
3273     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3274     CFArrayRemoveAllValues(packages_);
3275 }
3276
3277 - (void) dealloc {
3278     // XXX: actually implement this thing
3279     _assert(false);
3280     [sourceList_ release];
3281     [self releasePackages];
3282     apr_pool_destroy(pool_);
3283     NSRecycleZone(zone_);
3284     [super dealloc];
3285 }
3286
3287 - (void) _readCydia:(NSNumber *)fd { _pooled
3288     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3289     std::istream is(&ib);
3290     std::string line;
3291
3292     static Pcre finish_r("^finish:([^:]*)$");
3293
3294     while (std::getline(is, line)) {
3295         const char *data(line.c_str());
3296         size_t size = line.size();
3297         lprintf("C:%s\n", data);
3298
3299         if (finish_r(data, size)) {
3300             NSString *finish = finish_r[1];
3301             int index = [Finishes_ indexOfObject:finish];
3302             if (index != INT_MAX && index > Finish_)
3303                 Finish_ = index;
3304         }
3305     }
3306
3307     _assume(false);
3308 }
3309
3310 - (void) _readStatus:(NSNumber *)fd { _pooled
3311     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3312     std::istream is(&ib);
3313     std::string line;
3314
3315     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3316     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3317
3318     while (std::getline(is, line)) {
3319         const char *data(line.c_str());
3320         size_t size(line.size());
3321         lprintf("S:%s\n", data);
3322
3323         if (conffile_r(data, size))
3324             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3325         else if (strncmp(data, "status: ", 8) == 0) {
3326             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:@"STATUS"]);
3327             [progress_ performSelectorOnMainThread:@selector(addProgressEvent) withObject:event waitUntilDone:YES];
3328         } else if (pmstatus_r(data, size)) {
3329             std::string type([pmstatus_r[1] UTF8String]);
3330             NSString *package = pmstatus_r[2];
3331
3332             float percent([pmstatus_r[3] floatValue]);
3333             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3334
3335             NSString *string = pmstatus_r[4];
3336
3337             if (type == "pmerror") {
3338                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"ERROR" forPackage:package]);
3339                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3340             } else if (type == "pmstatus") {
3341                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"STATUS" forPackage:package]);
3342                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3343             } else if (type == "pmconffile")
3344                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3345             else
3346                 lprintf("E:unknown pmstatus\n");
3347         } else
3348             lprintf("E:unknown status\n");
3349     }
3350
3351     _assume(false);
3352 }
3353
3354 - (void) _readOutput:(NSNumber *)fd { _pooled
3355     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3356     std::istream is(&ib);
3357     std::string line;
3358
3359     while (std::getline(is, line)) {
3360         lprintf("O:%s\n", line.c_str());
3361
3362         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:@"INFORMATION"]);
3363         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3364     }
3365
3366     _assume(false);
3367 }
3368
3369 - (FILE *) input {
3370     return input_;
3371 }
3372
3373 - (Package *) packageWithName:(NSString *)name {
3374 @synchronized (self) {
3375     if (static_cast<pkgDepCache *>(cache_) == NULL)
3376         return nil;
3377     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3378     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3379 } }
3380
3381 - (id) init {
3382     if ((self = [super init]) != nil) {
3383         policy_ = NULL;
3384         records_ = NULL;
3385         resolver_ = NULL;
3386         fetcher_ = NULL;
3387         lock_ = NULL;
3388
3389         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3390         apr_pool_create(&pool_, NULL);
3391
3392         size_t capacity(MetaFile_->active_);
3393         if (capacity == 0)
3394             capacity = 16384;
3395         else
3396             capacity += 1024;
3397
3398         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3399         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3400
3401         int fds[2];
3402
3403         _assert(pipe(fds) != -1);
3404         cydiafd_ = fds[1];
3405
3406         _config->Set("APT::Keep-Fds::", cydiafd_);
3407         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3408
3409         [NSThread
3410             detachNewThreadSelector:@selector(_readCydia:)
3411             toTarget:self
3412             withObject:[NSNumber numberWithInt:fds[0]]
3413         ];
3414
3415         _assert(pipe(fds) != -1);
3416         statusfd_ = fds[1];
3417
3418         [NSThread
3419             detachNewThreadSelector:@selector(_readStatus:)
3420             toTarget:self
3421             withObject:[NSNumber numberWithInt:fds[0]]
3422         ];
3423
3424         _assert(pipe(fds) != -1);
3425         _assert(dup2(fds[0], 0) != -1);
3426         _assert(close(fds[0]) != -1);
3427
3428         input_ = fdopen(fds[1], "a");
3429
3430         _assert(pipe(fds) != -1);
3431         _assert(dup2(fds[1], 1) != -1);
3432         _assert(close(fds[1]) != -1);
3433
3434         [NSThread
3435             detachNewThreadSelector:@selector(_readOutput:)
3436             toTarget:self
3437             withObject:[NSNumber numberWithInt:fds[0]]
3438         ];
3439     } return self;
3440 }
3441
3442 - (pkgCacheFile &) cache {
3443     return cache_;
3444 }
3445
3446 - (pkgDepCache::Policy *) policy {
3447     return policy_;
3448 }
3449
3450 - (pkgRecords *) records {
3451     return records_;
3452 }
3453
3454 - (pkgProblemResolver *) resolver {
3455     return resolver_;
3456 }
3457
3458 - (pkgAcquire &) fetcher {
3459     return *fetcher_;
3460 }
3461
3462 - (pkgSourceList &) list {
3463     return *list_;
3464 }
3465
3466 - (NSArray *) packages {
3467     return (NSArray *) packages_;
3468 }
3469
3470 - (NSArray *) sources {
3471     return sourceList_;
3472 }
3473
3474 - (Source *) sourceWithKey:(NSString *)key {
3475     for (Source *source in [self sources]) {
3476         if ([[source key] isEqualToString:key])
3477             return source;
3478     } return nil;
3479 }
3480
3481 - (bool) popErrorWithTitle:(NSString *)title {
3482     bool fatal(false);
3483
3484     while (!_error->empty()) {
3485         std::string error;
3486         bool warning(!_error->PopMessage(error));
3487         if (!warning)
3488             fatal = true;
3489
3490         for (;;) {
3491             size_t size(error.size());
3492             if (size == 0 || error[size - 1] != '\n')
3493                 break;
3494             error.resize(size - 1);
3495         }
3496
3497         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3498
3499         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3500     }
3501
3502     return fatal;
3503 }
3504
3505 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3506     return [self popErrorWithTitle:title] || !success;
3507 }
3508
3509 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3510 @synchronized (self) {
3511     ++era_;
3512
3513     [self releasePackages];
3514
3515     sourceMap_.clear();
3516     [sourceList_ removeAllObjects];
3517
3518     _error->Discard();
3519
3520     delete list_;
3521     list_ = NULL;
3522     manager_ = NULL;
3523     delete lock_;
3524     lock_ = NULL;
3525     delete fetcher_;
3526     fetcher_ = NULL;
3527     delete resolver_;
3528     resolver_ = NULL;
3529     delete records_;
3530     records_ = NULL;
3531     delete policy_;
3532     policy_ = NULL;
3533
3534     cache_.Close();
3535
3536     apr_pool_clear(pool_);
3537
3538     NSRecycleZone(zone_);
3539     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3540
3541     int chk(creat("/tmp/cydia.chk", 0644));
3542     if (chk != -1)
3543         close(chk);
3544
3545     if (invocation != nil)
3546         [invocation invoke];
3547
3548     NSString *title(UCLocalize("DATABASE"));
3549
3550     _trace();
3551     OpProgress progress;
3552     while (!cache_.Open(progress, true)) { pop:
3553         std::string error;
3554         bool warning(!_error->PopMessage(error));
3555         lprintf("cache_.Open():[%s]\n", error.c_str());
3556
3557         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3558             [delegate_ repairWithSelector:@selector(configure)];
3559         else if (error == "The package lists or status file could not be parsed or opened.")
3560             [delegate_ repairWithSelector:@selector(update)];
3561         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3562         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3563         // else if (error == "The list of sources could not be read.")
3564         else {
3565             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3566             return;
3567         }
3568
3569         if (warning)
3570             goto pop;
3571         _error->Discard();
3572     }
3573     _trace();
3574
3575     unlink("/tmp/cydia.chk");
3576
3577     now_ = [[NSDate date] timeIntervalSince1970];
3578
3579     policy_ = new pkgDepCache::Policy();
3580     records_ = new pkgRecords(cache_);
3581     resolver_ = new pkgProblemResolver(cache_);
3582     fetcher_ = new pkgAcquire(&status_);
3583     lock_ = NULL;
3584
3585     list_ = new pkgSourceList();
3586     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3587         return;
3588
3589     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3590         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:@"ERROR"] forTask:title];
3591         return;
3592     }
3593
3594     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3595         return;
3596
3597     if (cache_->BrokenCount() != 0) {
3598         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3599             return;
3600
3601         if (cache_->BrokenCount() != 0) {
3602             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:@"ERROR"] forTask:title];
3603             return;
3604         }
3605
3606         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3607             return;
3608     }
3609
3610     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3611         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3612         [sourceList_ addObject:object];
3613
3614         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3615         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3616             // XXX: this could be more intelligent
3617             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3618                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3619                 if (!cached.end())
3620                     sourceMap_[cached->ID] = object;
3621             }
3622     }
3623
3624     {
3625         /*std::vector<Package *> packages;
3626         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3627         [packages_ release];
3628         packages_ = nil;*/
3629
3630         _trace();
3631
3632         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3633             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3634                 //packages.push_back(package);
3635                 CFArrayAppendValue(packages_, [package retain]);
3636
3637         _trace();
3638
3639         /*if (packages.empty())
3640             packages_ = [[NSArray alloc] init];
3641         else
3642             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3643         _trace();*/
3644
3645         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3646         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3647         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3648
3649         /*_trace();
3650         PrintTimes();
3651         _trace();*/
3652
3653         _trace();
3654
3655         /*if (!packages.empty())
3656             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3657         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3658
3659         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3660
3661         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3662
3663         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3664
3665         _trace();
3666
3667         size_t count(CFArrayGetCount(packages_));
3668         MetaFile_->active_ = count;
3669
3670         for (size_t index(0); index != count; ++index)
3671             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3672
3673         _trace();
3674     }
3675 } } CYPoolEnd() _trace(); }
3676
3677 - (void) clear {
3678 @synchronized (self) {
3679     delete resolver_;
3680     resolver_ = new pkgProblemResolver(cache_);
3681
3682     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3683         if (!cache_[iterator].Keep())
3684             cache_->MarkKeep(iterator, false);
3685         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3686             cache_->SetReInstall(iterator, false);
3687 } }
3688
3689 - (void) configure {
3690     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3691     _trace();
3692     system([dpkg UTF8String]);
3693     _trace();
3694 }
3695
3696 - (bool) clean {
3697     // XXX: I don't remember this condition
3698     if (lock_ != NULL)
3699         return false;
3700
3701     FileFd Lock;
3702     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3703
3704     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3705
3706     if ([self popErrorWithTitle:title])
3707         return false;
3708
3709     pkgAcquire fetcher;
3710     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3711
3712     class LogCleaner :
3713         public pkgArchiveCleaner
3714     {
3715       protected:
3716         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3717             unlink(File);
3718         }
3719     } cleaner;
3720
3721     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3722         return false;
3723
3724     return true;
3725 }
3726
3727 - (bool) prepare {
3728     fetcher_->Shutdown();
3729
3730     pkgRecords records(cache_);
3731
3732     lock_ = new FileFd();
3733     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3734
3735     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3736
3737     if ([self popErrorWithTitle:title])
3738         return false;
3739
3740     pkgSourceList list;
3741     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3742         return false;
3743
3744     manager_ = (_system->CreatePM(cache_));
3745     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3746         return false;
3747
3748     return true;
3749 }
3750
3751 - (void) perform {
3752     bool substrate(RestartSubstrate_);
3753     RestartSubstrate_ = false;
3754
3755     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3756
3757     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3758         pkgSourceList list;
3759         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3760             return;
3761         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3762             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3763     }
3764
3765     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3766
3767     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3768         _trace();
3769         [self popErrorWithTitle:title];
3770         return;
3771     }
3772
3773     bool failed = false;
3774     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3775         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3776             continue;
3777         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3778             continue;
3779
3780         failed = true;
3781     }
3782
3783     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3784
3785     if (failed) {
3786         _trace();
3787         return;
3788     }
3789
3790     if (substrate)
3791         RestartSubstrate_ = true;
3792
3793     _system->UnLock();
3794     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3795
3796     if (_error->PendingError()) {
3797         _trace();
3798         return;
3799     }
3800
3801     if (result == pkgPackageManager::Failed) {
3802         _trace();
3803         return;
3804     }
3805
3806     if (result != pkgPackageManager::Completed) {
3807         _trace();
3808         return;
3809     }
3810
3811     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3812         pkgSourceList list;
3813         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3814             return;
3815         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3816             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3817     }
3818
3819     if (![before isEqualToArray:after])
3820         [self update];
3821 }
3822
3823 - (bool) upgrade {
3824     NSString *title(UCLocalize("UPGRADE"));
3825     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3826         return false;
3827     return true;
3828 }
3829
3830 - (void) update {
3831     [self updateWithStatus:status_];
3832 }
3833
3834 - (void) updateWithStatus:(Status &)status {
3835     NSString *title(UCLocalize("REFRESHING_DATA"));
3836
3837     pkgSourceList list;
3838     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3839         return;
3840
3841     FileFd lock;
3842     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3843     if ([self popErrorWithTitle:title])
3844         return;
3845
3846     if ([self popErrorWithTitle:title forOperation:ListUpdate(status, list, PulseInterval_)])
3847         /* XXX: ignore this because users suck and don't understand why refreshing is important: return */
3848         /* XXX: why the hell is an empty if statement a clang error? */ (void) 0;
3849
3850     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3851     Changed_ = true;
3852 }
3853
3854 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3855     delegate_ = delegate;
3856 }
3857
3858 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3859     progress_ = delegate;
3860     status_.setDelegate(delegate);
3861 }
3862
3863 - (NSObject<ProgressDelegate> *) progressDelegate {
3864     return progress_;
3865 }
3866
3867 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3868     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3869     return i == sourceMap_.end() ? nil : i->second;
3870 }
3871
3872 - (NSString *) mappedSectionForPointer:(const char *)section {
3873     _H<NSString> *mapped;
3874
3875     _profile(Database$mappedSectionForPointer$Cache)
3876         mapped = &sections_[section];
3877     _end
3878
3879     if (*mapped == NULL) {
3880         size_t length(strlen(section));
3881         char spaced[length + 1];
3882
3883         _profile(Database$mappedSectionForPointer$Replace)
3884             for (size_t index(0); index != length; ++index)
3885                 spaced[index] = section[index] == '_' ? ' ' : section[index];
3886             spaced[length] = '\0';
3887         _end
3888
3889         NSString *string;
3890
3891         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
3892             string = [NSString stringWithUTF8String:spaced];
3893         _end
3894
3895         _profile(Database$mappedSectionForPointer$Map)
3896             string = [SectionMap_ objectForKey:string] ?: string;
3897         _end
3898
3899         *mapped = string;
3900     } return *mapped;
3901 }
3902
3903 @end
3904 /* }}} */
3905
3906 /* Web Scripting {{{ */
3907 @interface CydiaObject : NSObject {
3908     id indirect_;
3909     _transient id delegate_;
3910 }
3911
3912 - (id) initWithDelegate:(IndirectDelegate *)indirect;
3913
3914 @end
3915
3916 @implementation CydiaObject
3917
3918 - (void) dealloc {
3919     [indirect_ release];
3920     [super dealloc];
3921 }
3922
3923 - (id) initWithDelegate:(IndirectDelegate *)indirect {
3924     if ((self = [super init]) != nil) {
3925         indirect_ = [indirect retain];
3926     } return self;
3927 }
3928
3929 - (void) setDelegate:(id)delegate {
3930     delegate_ = delegate;
3931 }
3932
3933 + (NSArray *) _attributeKeys {
3934     return [NSArray arrayWithObjects:
3935         @"device",
3936         @"ecid",
3937         @"model",
3938         @"plmn",
3939         @"role",
3940         @"serial",
3941     nil];
3942 }
3943
3944 - (NSArray *) attributeKeys {
3945     return [[self class] _attributeKeys];
3946 }
3947
3948 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
3949     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
3950 }
3951
3952 - (NSString *) device {
3953     return [[UIDevice currentDevice] uniqueIdentifier];
3954 }
3955
3956 - (NSString *) plmn {
3957     return PLMN_;
3958 }
3959
3960 - (NSString *) ecid {
3961     return ChipID_;
3962 }
3963
3964 - (NSString *) serial {
3965     return SerialNumber_;
3966 }
3967
3968 - (NSString *) role {
3969     return Role_;
3970 }
3971
3972 - (NSString *) model {
3973     return [NSString stringWithUTF8String:Machine_];
3974 }
3975
3976 + (NSString *) webScriptNameForSelector:(SEL)selector {
3977     if (false);
3978     else if (selector == @selector(addTrivialSource:))
3979         return @"addTrivialSource";
3980     else if (selector == @selector(close))
3981         return @"close";
3982     else if (selector == @selector(du:))
3983         return @"du";
3984     else if (selector == @selector(stringWithFormat:arguments:))
3985         return @"format";
3986     else if (selector == @selector(getAllSources))
3987         return @"getAllSourcs";
3988     else if (selector == @selector(getKernelNumber:))
3989         return @"getKernelNumber";
3990     else if (selector == @selector(getKernelString:))
3991         return @"getKernelString";
3992     else if (selector == @selector(getInstalledPackages))
3993         return @"getInstalledPackages";
3994     else if (selector == @selector(getPackageById:))
3995         return @"getPackageById";
3996     else if (selector == @selector(installPackages:))
3997         return @"installPackages";
3998     else if (selector == @selector(localizedStringForKey:value:table:))
3999         return @"localize";
4000     else if (selector == @selector(refreshSources))
4001         return @"refreshSources";
4002     else if (selector == @selector(removeButton))
4003         return @"removeButton";
4004     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4005         return @"setButtonImage";
4006     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4007         return @"setButtonTitle";
4008     else if (selector == @selector(setPopupHook:))
4009         return @"setPopupHook";
4010     else if (selector == @selector(setToken:))
4011         return @"setToken";
4012     else if (selector == @selector(setViewportWidth:))
4013         return @"setViewportWidth";
4014     else if (selector == @selector(statfs:))
4015         return @"statfs";
4016     else if (selector == @selector(supports:))
4017         return @"supports";
4018     else
4019         return nil;
4020 }
4021
4022 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4023     return [self webScriptNameForSelector:selector] == nil;
4024 }
4025
4026 - (BOOL) supports:(NSString *)feature {
4027     return [feature isEqualToString:@"window.open"];
4028 }
4029
4030 - (NSNumber *) getKernelNumber:(NSString *)name {
4031     const char *string([name UTF8String]);
4032
4033     size_t size;
4034     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4035         return (id) [NSNull null];
4036
4037     if (size != sizeof(int))
4038         return (id) [NSNull null];
4039
4040     int value;
4041     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4042         return (id) [NSNull null];
4043
4044     return [NSNumber numberWithInt:value];
4045 }
4046
4047 - (NSString *) getKernelString:(NSString *)name {
4048     const char *string([name UTF8String]);
4049
4050     size_t size;
4051     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4052         return (id) [NSNull null];
4053
4054     char value[size + 1];
4055     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4056         return (id) [NSNull null];
4057
4058     // XXX: just in case you request something ludicrous
4059     value[size] = '\0';
4060
4061     return [NSString stringWithCString:value];
4062 }
4063
4064 - (void) addTrivialSource:(NSString *)href {
4065     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4066 }
4067
4068 - (void) refreshSources {
4069     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4070 }
4071
4072 - (NSArray *) getAllSources {
4073     return [[Database sharedInstance] sources];
4074 }
4075
4076 - (NSArray *) getInstalledPackages {
4077     Database *database([Database sharedInstance]);
4078 @synchronized (database) {
4079     NSArray *packages([database packages]);
4080     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4081     for (Package *package in packages)
4082         if (![package uninstalled])
4083             [installed addObject:package];
4084     return installed;
4085 } }
4086
4087 - (Package *) getPackageById:(NSString *)id {
4088     Package *package([[Database sharedInstance] packageWithName:id]);
4089     [package parse];
4090     return package;
4091 }
4092
4093 - (NSArray *) statfs:(NSString *)path {
4094     struct statfs stat;
4095
4096     if (path == nil || statfs([path UTF8String], &stat) == -1)
4097         return nil;
4098
4099     return [NSArray arrayWithObjects:
4100         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4101         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4102         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4103     nil];
4104 }
4105
4106 - (NSNumber *) du:(NSString *)path {
4107     NSNumber *value(nil);
4108
4109     int fds[2];
4110     _assert(pipe(fds) != -1);
4111
4112     pid_t pid(ExecFork());
4113     if (pid == 0) {
4114         _assert(dup2(fds[1], 1) != -1);
4115         _assert(close(fds[0]) != -1);
4116         _assert(close(fds[1]) != -1);
4117         /* XXX: this should probably not use du */
4118         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4119         exit(1);
4120         _assert(false);
4121     }
4122
4123     _assert(close(fds[1]) != -1);
4124
4125     if (FILE *du = fdopen(fds[0], "r")) {
4126         char line[1024];
4127         while (fgets(line, sizeof(line), du) != NULL) {
4128             size_t length(strlen(line));
4129             while (length != 0 && line[length - 1] == '\n')
4130                 line[--length] = '\0';
4131             if (char *tab = strchr(line, '\t')) {
4132                 *tab = '\0';
4133                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4134             }
4135         }
4136
4137         fclose(du);
4138     } else _assert(close(fds[0]));
4139
4140     int status;
4141   wait:
4142     if (waitpid(pid, &status, 0) == -1)
4143         if (errno == EINTR)
4144             goto wait;
4145         else _assert(false);
4146
4147     return value;
4148 }
4149
4150 - (void) close {
4151     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4152 }
4153
4154 - (void) installPackages:(NSArray *)packages {
4155     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4156 }
4157
4158 - (void) removeButton {
4159     [indirect_ removeButton];
4160 }
4161
4162 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4163     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4164 }
4165
4166 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4167     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4168 }
4169
4170 - (void) _setToken:(NSString *)token {
4171     if (Token_ != nil)
4172         [Token_ release];
4173     Token_ = [token retain];
4174
4175     [Metadata_ setObject:Token_ forKey:@"Token"];
4176     Changed_ = true;
4177 }
4178
4179 - (void) setToken:(NSString *)token {
4180     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4181 }
4182
4183 - (void) setPopupHook:(id)function {
4184     [indirect_ setPopupHook:function];
4185 }
4186
4187 - (void) setViewportWidth:(float)width {
4188     [indirect_ setViewportWidthOnMainThread:width];
4189 }
4190
4191 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4192     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4193     unsigned count([arguments count]);
4194     id values[count];
4195     for (unsigned i(0); i != count; ++i)
4196         values[i] = [arguments objectAtIndex:i];
4197     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4198 }
4199
4200 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4201     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4202         value = nil;
4203     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4204         table = nil;
4205     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4206 }
4207
4208 @end
4209 /* }}} */
4210
4211 /* @ Loading... Indicator {{{ */
4212 @interface CYLoadingIndicator : UIView {
4213     _H<UIActivityIndicatorView> spinner_;
4214     _H<UILabel> label_;
4215     _H<UIView> container_;
4216 }
4217
4218 @property (readonly, nonatomic) UILabel *label;
4219 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4220
4221 @end
4222
4223 @implementation CYLoadingIndicator
4224
4225 - (id) initWithFrame:(CGRect)frame {
4226     if ((self = [super initWithFrame:frame]) != nil) {
4227         container_ = [[[UIView alloc] init] autorelease];
4228         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4229
4230         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4231         [spinner_ startAnimating];
4232         [container_ addSubview:spinner_];
4233
4234         label_ = [[[UILabel alloc] init] autorelease];
4235         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4236         [label_ setBackgroundColor:[UIColor clearColor]];
4237         [label_ setTextColor:[UIColor blackColor]];
4238         [label_ setShadowColor:[UIColor whiteColor]];
4239         [label_ setShadowOffset:CGSizeMake(0, 1)];
4240         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4241         [container_ addSubview:label_];
4242
4243         CGSize viewsize = frame.size;
4244         CGSize spinnersize = [spinner_ bounds].size;
4245         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4246         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4247
4248         CGRect containrect = {
4249             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4250             CGSizeMake(bothwidth, spinnersize.height)
4251         };
4252         CGRect textrect = {
4253             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4254             textsize
4255         };
4256         CGRect spinrect = {
4257             CGPointZero,
4258             spinnersize
4259         };
4260
4261         [container_ setFrame:containrect];
4262         [spinner_ setFrame:spinrect];
4263         [label_ setFrame:textrect];
4264         [self addSubview:container_];
4265     } return self;
4266 }
4267
4268 - (UILabel *) label {
4269     return label_;
4270 }
4271
4272 - (UIActivityIndicatorView *) activityIndicatorView {
4273     return spinner_;
4274 }
4275
4276 @end
4277 /* }}} */
4278 /* Emulated Loading Controller {{{ */
4279 @interface CYEmulatedLoadingController : CYViewController {
4280     _transient Database *database_;
4281     _H<CYLoadingIndicator> indicator_;
4282     _H<UITabBar> tabbar_;
4283     _H<UINavigationBar> navbar_;
4284 }
4285
4286 @end
4287
4288 @implementation CYEmulatedLoadingController
4289
4290 - (id) initWithDatabase:(Database *)database {
4291     if ((self = [super init]) != nil) {
4292         database_ = database;
4293     } return self;
4294 }
4295
4296 - (void) loadView {
4297     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4298     [[self view] setBackgroundColor:[UIColor pinStripeColor]];
4299
4300     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4301     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4302     [[self view] addSubview:indicator_];
4303
4304     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4305     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4306     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4307     [[self view] addSubview:tabbar_];
4308
4309     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4310     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4311     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4312     [[self view] addSubview:navbar_];
4313 }
4314
4315 - (void) releaseSubviews {
4316     indicator_ = nil;
4317     tabbar_ = nil;
4318     navbar_ = nil;
4319 }
4320
4321 @end
4322 /* }}} */
4323
4324 /* Cydia Browser Controller {{{ */
4325 @interface CYBrowserController : BrowserController {
4326     CydiaObject *cydia_;
4327 }
4328
4329 @end
4330
4331 @implementation CYBrowserController
4332
4333 - (void) dealloc {
4334     [cydia_ release];
4335     [super dealloc];
4336 }
4337
4338 - (NSURL *) navigationURL {
4339     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[[webview_ request] URL] absoluteString]]];
4340 }
4341
4342 - (void) setHeaders:(NSDictionary *)headers forHost:(NSString *)host {
4343 }
4344
4345 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4346     [super webView:view didClearWindowObject:window forFrame:frame];
4347
4348     WebDataSource *source([frame dataSource]);
4349     NSURLResponse *response([source response]);
4350
4351     NSURL *url([response URL]);
4352     NSString *scheme([url scheme]);
4353     NSString *host([url host]);
4354
4355     if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
4356         NSHTTPURLResponse *http((NSHTTPURLResponse *) response);
4357         NSDictionary *headers([http allHeaderFields]);
4358         [self setHeaders:headers forHost:host];
4359     }
4360
4361     if (
4362         [host isEqualToString:@"cydia.saurik.com"] ||
4363         [host hasSuffix:@".cydia.saurik.com"] ||
4364         [scheme isEqualToString:@"file"]
4365     )
4366         [window setValue:cydia_ forKey:@"cydia"];
4367 }
4368
4369 - (void) _setMoreHeaders:(NSMutableURLRequest *)request {
4370     if (System_ != NULL)
4371         [request setValue:System_ forHTTPHeaderField:@"X-System"];
4372     if (Machine_ != NULL)
4373         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4374     if (Token_ != nil)
4375         [request setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4376     if (Role_ != nil)
4377         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
4378 }
4379
4380 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4381     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4382     [self _setMoreHeaders:copy];
4383     return copy;
4384 }
4385
4386 - (void) setDelegate:(id)delegate {
4387     [super setDelegate:delegate];
4388     [cydia_ setDelegate:delegate];
4389 }
4390
4391 - (id) init {
4392     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4393         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4394
4395         WebView *webview([[webview_ _documentView] webView]);
4396
4397         Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
4398
4399         NSString *application = package == nil ? @"Cydia" : [NSString
4400             stringWithFormat:@"Cydia/%@",
4401             [package installed]
4402         ];
4403
4404         if (Safari_ != nil)
4405             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4406         if (Build_ != nil)
4407             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4408         if (Product_ != nil)
4409             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4410
4411         [webview setApplicationNameForUserAgent:application];
4412     } return self;
4413 }
4414
4415 @end
4416 /* }}} */
4417
4418 // CydiaScript {{{
4419 @interface NSObject (CydiaScript)
4420 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4421 @end
4422
4423 @implementation NSObject (CydiaScript)
4424
4425 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4426     return self;
4427 }
4428
4429 @end
4430
4431 @implementation NSArray (CydiaScript)
4432
4433 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4434     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4435     for (size_t i(0), e([self count]); i != e; ++i)
4436         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4437     return object;
4438 }
4439
4440 @end
4441
4442 @implementation NSDictionary (CydiaScript)
4443
4444 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4445     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4446     for (id i in self)
4447         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4448     return object;
4449 }
4450
4451 @end
4452 // }}}
4453
4454 /* Confirmation Controller {{{ */
4455 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4456     if (!iterator.end())
4457         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4458             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4459                 continue;
4460             pkgCache::PkgIterator package(dep.TargetPkg());
4461             if (package.end())
4462                 continue;
4463             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4464                 return true;
4465         }
4466
4467     return false;
4468 }
4469
4470 @protocol ConfirmationControllerDelegate
4471 - (void) cancelAndClear:(bool)clear;
4472 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4473 - (void) queue;
4474 @end
4475
4476 @interface ConfirmationController : CYBrowserController {
4477     _transient Database *database_;
4478
4479     UIAlertView *essential_;
4480
4481     NSDictionary *changes_;
4482     NSMutableArray *issues_;
4483     NSDictionary *sizes_;
4484
4485     BOOL substrate_;
4486 }
4487
4488 - (id) initWithDatabase:(Database *)database;
4489
4490 @end
4491
4492 @implementation ConfirmationController
4493
4494 - (void) dealloc {
4495     [changes_ release];
4496     [issues_ release];
4497     [sizes_ release];
4498
4499     if (essential_ != nil)
4500         [essential_ release];
4501
4502     [super dealloc];
4503 }
4504
4505 - (void) complete {
4506     if (substrate_)
4507         RestartSubstrate_ = true;
4508     [delegate_ confirmWithNavigationController:[self navigationController]];
4509 }
4510
4511 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4512     NSString *context([alert context]);
4513
4514     if ([context isEqualToString:@"remove"]) {
4515         if (button == [alert cancelButtonIndex])
4516             [self dismissModalViewControllerAnimated:YES];
4517         else if (button == [alert firstOtherButtonIndex]) {
4518             [self complete];
4519         }
4520
4521         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4522     } else if ([context isEqualToString:@"unable"]) {
4523         [self dismissModalViewControllerAnimated:YES];
4524         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4525     } else {
4526         [super alertView:alert clickedButtonAtIndex:button];
4527     }
4528 }
4529
4530 - (void) _doContinue {
4531     [self dismissModalViewControllerAnimated:YES];
4532     [delegate_ cancelAndClear:NO];
4533 }
4534
4535 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4536     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4537     return nil;
4538 }
4539
4540 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4541     [super webView:view didClearWindowObject:window forFrame:frame];
4542
4543     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4544         changes_, @"changes",
4545         issues_, @"issues",
4546         sizes_, @"sizes",
4547         self, @"queue",
4548     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4549 }
4550
4551 - (id) initWithDatabase:(Database *)database {
4552     if ((self = [super init]) != nil) {
4553         database_ = database;
4554
4555         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4556         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4557         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4558         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4559         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4560
4561         bool remove(false);
4562
4563         pkgCacheFile &cache([database_ cache]);
4564         NSArray *packages([database_ packages]);
4565         pkgDepCache::Policy *policy([database_ policy]);
4566
4567         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4568
4569         for (Package *package in packages) {
4570             pkgCache::PkgIterator iterator([package iterator]);
4571             NSString *name([package id]);
4572
4573             if ([package broken]) {
4574                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4575
4576                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4577                     name, @"package",
4578                     reasons, @"reasons",
4579                 nil]];
4580
4581                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4582                 if (ver.end())
4583                     continue;
4584
4585                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4586                     pkgCache::DepIterator start;
4587                     pkgCache::DepIterator end;
4588                     dep.GlobOr(start, end); // ++dep
4589
4590                     if (!cache->IsImportantDep(end))
4591                         continue;
4592                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4593                         continue;
4594
4595                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4596
4597                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4598                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4599                         clauses, @"clauses",
4600                     nil]];
4601
4602                     _forever {
4603                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4604
4605                         pkgCache::PkgIterator target(start.TargetPkg());
4606                         if (target->ProvidesList != 0)
4607                             reason = @"missing";
4608                         else {
4609                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4610                             if (!ver.end()) {
4611                                 reason = @"installed";
4612                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4613                             } else if (!cache[target].CandidateVerIter(cache).end())
4614                                 reason = @"uninstalled";
4615                             else if (target->ProvidesList == 0)
4616                                 reason = @"uninstallable";
4617                             else
4618                                 reason = @"virtual";
4619                         }
4620
4621                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4622                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4623                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4624                         nil]);
4625
4626                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4627                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4628                             version, @"version",
4629                             reason, @"reason",
4630                             installed, @"installed",
4631                         nil]];
4632
4633                         // yes, seriously. (wtf?)
4634                         if (start == end)
4635                             break;
4636                         ++start;
4637                     }
4638                 }
4639             }
4640
4641             pkgDepCache::StateCache &state(cache[iterator]);
4642
4643             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4644
4645             if (state.NewInstall())
4646                 [installs addObject:name];
4647             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4648                 [reinstalls addObject:name];
4649             else if (state.Upgrade())
4650                 [upgrades addObject:name];
4651             else if (state.Downgrade())
4652                 [downgrades addObject:name];
4653             else if (!state.Delete())
4654                 continue;
4655             else if (special_r(name))
4656                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4657                     [NSNull null], @"package",
4658                     [NSArray arrayWithObjects:
4659                         [NSDictionary dictionaryWithObjectsAndKeys:
4660                             @"Conflicts", @"relationship",
4661                             [NSArray arrayWithObjects:
4662                                 [NSDictionary dictionaryWithObjectsAndKeys:
4663                                     name, @"package",
4664                                     [NSNull null], @"version",
4665                                     @"installed", @"reason",
4666                                 nil],
4667                             nil], @"clauses",
4668                         nil],
4669                     nil], @"reasons",
4670                 nil]];
4671             else {
4672                 if ([package essential])
4673                     remove = true;
4674                 [removes addObject:name];
4675             }
4676
4677             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4678             substrate_ |= DepSubstrate(iterator.CurrentVer());
4679         }
4680
4681         if (!remove)
4682             essential_ = nil;
4683         else if (Advanced_) {
4684             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4685
4686             essential_ = [[UIAlertView alloc]
4687                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4688                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4689                 delegate:self
4690                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4691                 otherButtonTitles:
4692                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4693                 nil
4694             ];
4695
4696             [essential_ setContext:@"remove"];
4697         } else {
4698             essential_ = [[UIAlertView alloc]
4699                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4700                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4701                 delegate:self
4702                 cancelButtonTitle:UCLocalize("OKAY")
4703                 otherButtonTitles:nil
4704             ];
4705
4706             [essential_ setContext:@"unable"];
4707         }
4708
4709         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4710             installs, @"installs",
4711             reinstalls, @"reinstalls",
4712             upgrades, @"upgrades",
4713             downgrades, @"downgrades",
4714             removes, @"removes",
4715         nil];
4716
4717         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4718             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4719             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4720         nil];
4721
4722         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/confirm/", UI_]]];
4723
4724         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
4725             initWithTitle:UCLocalize("CANCEL")
4726             style:UIBarButtonItemStylePlain
4727             target:self
4728             action:@selector(cancelButtonClicked)
4729         ] autorelease]];
4730     } return self;
4731 }
4732
4733 #if !AlwaysReload
4734 - (void) applyRightButton {
4735     if ([issues_ count] == 0 && ![self isLoading])
4736         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4737             initWithTitle:UCLocalize("CONFIRM")
4738             style:UIBarButtonItemStyleDone
4739             target:self
4740             action:@selector(confirmButtonClicked)
4741         ] autorelease]];
4742     else
4743         [[self navigationItem] setRightBarButtonItem:nil];
4744 }
4745 #endif
4746
4747 - (void) cancelButtonClicked {
4748     [self dismissModalViewControllerAnimated:YES];
4749     [delegate_ cancelAndClear:YES];
4750 }
4751
4752 #if !AlwaysReload
4753 - (void) confirmButtonClicked {
4754     if (essential_ != nil)
4755         [essential_ show];
4756     else
4757         [self complete];
4758 }
4759 #endif
4760
4761 @end
4762 /* }}} */
4763
4764 /* Progress Controller {{{ */
4765 @interface ProgressController : CYViewController <
4766     ProgressDelegate
4767 > {
4768     _transient Database *database_;
4769     UIProgressBar *progress_;
4770     UITextView *output_;
4771     UITextLabel *status_;
4772     UIPushButton *close_;
4773     _H<NSString> title_;
4774 }
4775
4776 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
4777
4778 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
4779
4780 - (void) setTitle:(NSString *)title;
4781
4782 @end
4783
4784 @implementation ProgressController
4785
4786 - (void) dealloc {
4787     [database_ setProgressDelegate:nil];
4788     [progress_ release];
4789     [output_ release];
4790     [status_ release];
4791     [close_ release];
4792     [super dealloc];
4793 }
4794
4795 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
4796     if ((self = [super init]) != nil) {
4797         database_ = database;
4798         delegate_ = delegate;
4799
4800         [database_ setProgressDelegate:self];
4801
4802         [[self view] setBackgroundColor:[UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:1.0f]];
4803
4804         progress_ = [[UIProgressBar alloc] init];
4805         [progress_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
4806         [progress_ setStyle:0];
4807
4808         status_ = [[UITextLabel alloc] init];
4809         [status_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
4810         [status_ setColor:[UIColor whiteColor]];
4811         [status_ setBackgroundColor:[UIColor clearColor]];
4812         [status_ setCentersHorizontally:YES];
4813         //[status_ setFont:font];
4814
4815         output_ = [[UITextView alloc] init];
4816         [output_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4817         //[output_ setTextFont:@"Courier New"];
4818         [output_ setFont:[[output_ font] fontWithSize:12]];
4819         [output_ setTextColor:[UIColor whiteColor]];
4820         [output_ setBackgroundColor:[UIColor clearColor]];
4821         [output_ setMarginTop:0];
4822         [output_ setAllowsRubberBanding:YES];
4823         [output_ setEditable:NO];
4824         [[self view] addSubview:output_];
4825
4826         close_ = [[UIPushButton alloc] init];
4827         [close_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
4828         [close_ setAutosizesToFit:NO];
4829         [close_ setDrawsShadow:YES];
4830         [close_ setStretchBackground:YES];
4831         [close_ setEnabled:YES];
4832         [close_ setTitleFont:[UIFont boldSystemFontOfSize:22]];
4833         [close_ addTarget:self action:@selector(closeButtonPushed) forEvents:UIControlEventTouchUpInside];
4834         [close_ setBackground:[UIImage applicationImageNamed:@"green-up.png"] forState:0];
4835         [close_ setBackground:[UIImage applicationImageNamed:@"green-dn.png"] forState:1];
4836     } return self;
4837 }
4838
4839 - (void) positionViews {
4840     CGRect bounds = [[self view] bounds];
4841     CGSize prgsize = [UIProgressBar defaultSize];
4842
4843     CGRect prgrect = {{
4844         (bounds.size.width - prgsize.width) / 2,
4845         bounds.size.height - prgsize.height - 20
4846     }, prgsize};
4847
4848     float closewidth = std::min(bounds.size.width - 20, 300.0f);
4849
4850     [progress_ setFrame:prgrect];
4851     [status_ setFrame:CGRectMake(
4852         10,
4853         bounds.size.height - prgsize.height - 50,
4854         bounds.size.width - 20,
4855         24
4856     )];
4857     [output_ setFrame:CGRectMake(
4858         10,
4859         20,
4860         bounds.size.width - 20,
4861         bounds.size.height - 96
4862     )];
4863     [close_ setFrame:CGRectMake(
4864         (bounds.size.width - closewidth) / 2,
4865         bounds.size.height - prgsize.height - 50,
4866         closewidth,
4867         32 + prgsize.height
4868     )];
4869 }
4870
4871 - (void) viewWillAppear:(BOOL)animated {
4872     [super viewDidAppear:animated];
4873     [[self navigationItem] setHidesBackButton:YES];
4874     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
4875
4876     [self positionViews];
4877 }
4878
4879 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
4880     [self positionViews];
4881 }
4882
4883 - (void) closeButtonPushed {
4884     UpdateExternalStatus(0);
4885
4886     switch (Finish_) {
4887         case 0:
4888             [self dismissModalViewControllerAnimated:YES];
4889         break;
4890
4891         case 1:
4892             [delegate_ terminateWithSuccess];
4893             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
4894                 [delegate_ suspendWithAnimation:YES];
4895             else
4896                 [delegate_ suspend];*/
4897         break;
4898
4899         case 2:
4900             _trace();
4901             goto reload;
4902
4903         case 3:
4904             _trace();
4905             goto reload;
4906
4907         reload:
4908             system("/usr/bin/sbreload");
4909             _trace();
4910         break;
4911
4912         case 4:
4913             _trace();
4914             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
4915                 SBReboot(SBSSpringBoardServerPort());
4916             else
4917                 reboot2(RB_AUTOBOOT);
4918         break;
4919     }
4920 }
4921
4922 - (void) setTitle:(NSString *)title {
4923     title_ = title;
4924     [[self navigationItem] setTitle:title];
4925 }
4926
4927 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
4928     UpdateExternalStatus(1);
4929
4930     [self setTitle:title];
4931
4932     [status_ setText:nil];
4933     [output_ setText:@""];
4934     [progress_ setProgress:0];
4935
4936     [close_ removeFromSuperview];
4937     [[self view] addSubview:progress_];
4938     [[self view] addSubview:status_];
4939
4940     [delegate_ retainNetworkActivityIndicator];
4941
4942     SHA1SumValue notifyconf; {
4943         FileFd file;
4944         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
4945             _error->Discard();
4946         else {
4947             MMap mmap(file, MMap::ReadOnly);
4948             SHA1Summation sha1;
4949             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
4950             notifyconf = sha1.Result();
4951         }
4952     }
4953
4954     SHA1SumValue springlist; {
4955         FileFd file;
4956         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
4957             _error->Discard();
4958         else {
4959             MMap mmap(file, MMap::ReadOnly);
4960             SHA1Summation sha1;
4961             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
4962             springlist = sha1.Result();
4963         }
4964     }
4965
4966     if (invocation != nil) {
4967         [invocation yieldToSelector:@selector(invoke)];
4968         [[self navigationItem] setTitle:UCLocalize("COMPLETE")];
4969     }
4970
4971     [[self view] addSubview:close_];
4972     [progress_ removeFromSuperview];
4973     [status_ removeFromSuperview];
4974
4975     if (Finish_ < 4) {
4976         FileFd file;
4977         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
4978             _error->Discard();
4979         else {
4980             MMap mmap(file, MMap::ReadOnly);
4981             SHA1Summation sha1;
4982             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
4983             if (!(notifyconf == sha1.Result()))
4984                 Finish_ = 4;
4985         }
4986     }
4987
4988     if (Finish_ < 3) {
4989         FileFd file;
4990         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
4991             _error->Discard();
4992         else {
4993             MMap mmap(file, MMap::ReadOnly);
4994             SHA1Summation sha1;
4995             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
4996             if (!(springlist == sha1.Result()))
4997                 Finish_ = 3;
4998         }
4999     }
5000
5001     if (Finish_ < 2) {
5002         if (RestartSubstrate_)
5003             Finish_ = 2;
5004     }
5005
5006     RestartSubstrate_ = false;
5007
5008     switch (Finish_) {
5009         case 0: [close_ setTitle:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5010         case 1: [close_ setTitle:UCLocalize("CLOSE_CYDIA")]; break;
5011         case 2: [close_ setTitle:UCLocalize("RESTART_SPRINGBOARD")]; break;
5012         case 3: [close_ setTitle:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5013         case 4: [close_ setTitle:UCLocalize("REBOOT_DEVICE")]; break;
5014     }
5015
5016     _trace();
5017     system("su -c /usr/bin/uicache mobile");
5018     _trace();
5019
5020     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5021
5022     [delegate_ releaseNetworkActivityIndicator];
5023 }
5024
5025 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5026     NSString *type([event type]);
5027
5028     if ([type isEqualToString:@"ERROR"] || [type isEqualToString:@"WARNING"]) {
5029         CYAlertView *sheet([[[CYAlertView alloc]
5030             initWithTitle:[event compoundTitle]
5031             buttons:[NSArray arrayWithObjects:UCLocalize("OKAY"), nil]
5032             defaultButtonIndex:0
5033         ] autorelease]);
5034
5035         [sheet setMessage:[event message]];
5036         [sheet yieldToPopupAlertAnimated:YES];
5037         [sheet dismiss];
5038     } else if ([type isEqualToString:@"INFORMATION"]) {
5039         [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], [event message]]];
5040         CGSize size = [output_ contentSize];
5041         CGPoint offset = [output_ contentOffset];
5042         if (size.height - offset.y < [output_ frame].size.height + 20.f) {
5043             CGRect rect = {{0, size.height-1}, {size.width, 1}};
5044             [output_ scrollRectToVisible:rect animated:YES];
5045         }
5046     } else if ([type isEqualToString:@"STATUS"]) {
5047         NSMutableArray *words([[[event message] componentsSeparatedByString:@" "] mutableCopy]);
5048         for (size_t i(0), e([words count]); i != e; ++i) {
5049             NSString *word([words objectAtIndex:i]);
5050             if (Package *package = [database_ packageWithName:word])
5051                 [words replaceObjectAtIndex:i withObject:[package name]];
5052         }
5053
5054         [status_ setText:[words componentsJoinedByString:@" "]];
5055     } else _assert(false);
5056 }
5057
5058 - (bool) isProgressCancelled {
5059     return false;
5060 }
5061
5062 - (void) setProgressPercent:(NSNumber *)percent {
5063     [progress_ setProgress:[percent floatValue]];
5064 }
5065
5066 @end
5067 /* }}} */
5068
5069 /* Cell Content View {{{ */
5070 @protocol ContentDelegate
5071 - (void) drawContentRect:(CGRect)rect;
5072 @end
5073
5074 @interface ContentView : UIView {
5075     _transient id<ContentDelegate> delegate_;
5076 }
5077
5078 @end
5079
5080 @implementation ContentView
5081
5082 - (id) initWithFrame:(CGRect)frame {
5083     if ((self = [super initWithFrame:frame]) != nil) {
5084         [self setNeedsDisplayOnBoundsChange:YES];
5085     } return self;
5086 }
5087
5088 - (void) setDelegate:(id<ContentDelegate>)delegate {
5089     delegate_ = delegate;
5090 }
5091
5092 - (void) drawRect:(CGRect)rect {
5093     [super drawRect:rect];
5094     [delegate_ drawContentRect:rect];
5095 }
5096
5097 @end
5098 /* }}} */
5099 /* Cydia TableView Cell {{{ */
5100 @interface CYTableViewCell : UITableViewCell {
5101     ContentView *content_;
5102     bool highlighted_;
5103 }
5104
5105 @end
5106
5107 @implementation CYTableViewCell
5108
5109 - (void) dealloc {
5110     [content_ release];
5111     [super dealloc];
5112 }
5113
5114 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5115     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5116
5117     if (view == content_) {
5118         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5119         highlighted_ = highlighted;
5120     }
5121
5122     [super _updateHighlightColorsForView:view highlighted:highlighted];
5123 }
5124
5125 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5126     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5127     highlighted_ = selected;
5128
5129     [super setSelected:selected animated:animated];
5130     [content_ setNeedsDisplay];
5131 }
5132
5133 @end
5134 /* }}} */
5135
5136 /* Package Cell {{{ */
5137 @interface PackageCell : CYTableViewCell <
5138     ContentDelegate
5139 > {
5140     UIImage *icon_;
5141     NSString *name_;
5142     NSString *description_;
5143     bool commercial_;
5144     NSString *source_;
5145     UIImage *badge_;
5146     Package *package_;
5147     UIImage *placard_;
5148 }
5149
5150 - (PackageCell *) init;
5151 - (void) setPackage:(Package *)package;
5152
5153 - (void) drawContentRect:(CGRect)rect;
5154
5155 @end
5156
5157 @implementation PackageCell
5158
5159 - (void) clearPackage {
5160     if (icon_ != nil) {
5161         [icon_ release];
5162         icon_ = nil;
5163     }
5164
5165     if (name_ != nil) {
5166         [name_ release];
5167         name_ = nil;
5168     }
5169
5170     if (description_ != nil) {
5171         [description_ release];
5172         description_ = nil;
5173     }
5174
5175     if (source_ != nil) {
5176         [source_ release];
5177         source_ = nil;
5178     }
5179
5180     if (badge_ != nil) {
5181         [badge_ release];
5182         badge_ = nil;
5183     }
5184
5185     if (placard_ != nil) {
5186         [placard_ release];
5187         placard_ = nil;
5188     }
5189
5190     [package_ release];
5191     package_ = nil;
5192 }
5193
5194 - (void) dealloc {
5195     [self clearPackage];
5196     [super dealloc];
5197 }
5198
5199 - (PackageCell *) init {
5200     CGRect frame(CGRectMake(0, 0, 320, 74));
5201     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5202         UIView *content([self contentView]);
5203         CGRect bounds([content bounds]);
5204
5205         content_ = [[ContentView alloc] initWithFrame:bounds];
5206         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5207         [content addSubview:content_];
5208
5209         [content_ setDelegate:self];
5210         [content_ setOpaque:YES];
5211     } return self;
5212 }
5213
5214 - (NSString *) accessibilityLabel {
5215     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5216 }
5217
5218 - (void) setPackage:(Package *)package {
5219     [self clearPackage];
5220     [package parse];
5221
5222     Source *source = [package source];
5223
5224     icon_ = [[package icon] retain];
5225     name_ = [[package name] retain];
5226
5227     if (IsWildcat_)
5228         description_ = [package longDescription];
5229     if (description_ == nil)
5230         description_ = [package shortDescription];
5231     if (description_ != nil)
5232         description_ = [description_ retain];
5233
5234     commercial_ = [package isCommercial];
5235
5236     package_ = [package retain];
5237
5238     NSString *label = nil;
5239     bool trusted = false;
5240
5241     if (source != nil) {
5242         label = [source label];
5243         trusted = [source trusted];
5244     } else if ([[package id] isEqualToString:@"firmware"])
5245         label = UCLocalize("APPLE");
5246     else
5247         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5248
5249     NSString *from(label);
5250
5251     NSString *section = [package simpleSection];
5252     if (section != nil && ![section isEqualToString:label]) {
5253         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5254         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5255     }
5256
5257     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5258     source_ = [from retain];
5259
5260     if (NSString *purpose = [package primaryPurpose])
5261         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5262             badge_ = [badge_ retain];
5263
5264     UIColor *color;
5265     NSString *placard;
5266
5267     if (NSString *mode = [package_ mode]) {
5268         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5269             color = RemovingColor_;
5270             //placard = @"removing";
5271         } else {
5272             color = InstallingColor_;
5273             //placard = @"installing";
5274         }
5275
5276         // XXX: the removing/installing placards are not @2x
5277         placard = nil;
5278     } else {
5279         color = [UIColor whiteColor];
5280
5281         if ([package installed] != nil)
5282             placard = @"installed";
5283         else
5284             placard = nil;
5285     }
5286
5287     [content_ setBackgroundColor:color];
5288
5289     if (placard != nil)
5290         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5291             placard_ = [placard_ retain];
5292
5293     [self setNeedsDisplay];
5294     [content_ setNeedsDisplay];
5295 }
5296
5297 - (void) drawContentRect:(CGRect)rect {
5298     bool highlighted(highlighted_);
5299     float width([self bounds].size.width);
5300
5301 #if 0
5302     CGContextRef context(UIGraphicsGetCurrentContext());
5303     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5304     CGContextFillRect(context, rect);
5305 #endif
5306
5307     if (icon_ != nil) {
5308         CGRect rect;
5309         rect.size = [icon_ size];
5310
5311         rect.size.width /= 2;
5312         rect.size.height /= 2;
5313
5314         rect.origin.x = 25 - rect.size.width / 2;
5315         rect.origin.y = 25 - rect.size.height / 2;
5316
5317         [icon_ drawInRect:rect];
5318     }
5319
5320     if (badge_ != nil) {
5321         CGRect rect;
5322         rect.size = [badge_ size];
5323
5324         rect.size.width /= 2;
5325         rect.size.height /= 2;
5326
5327         rect.origin.x = 36 - rect.size.width / 2;
5328         rect.origin.y = 36 - rect.size.height / 2;
5329
5330         [badge_ drawInRect:rect];
5331     }
5332
5333     if (highlighted)
5334         UISetColor(White_);
5335
5336     if (!highlighted)
5337         UISetColor(commercial_ ? Purple_ : Black_);
5338     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5339     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5340
5341     if (!highlighted)
5342         UISetColor(commercial_ ? Purplish_ : Gray_);
5343     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5344
5345     if (placard_ != nil)
5346         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5347 }
5348
5349 @end
5350 /* }}} */
5351 /* Section Cell {{{ */
5352 @interface SectionCell : CYTableViewCell <
5353     ContentDelegate
5354 > {
5355     NSString *basic_;
5356     NSString *section_;
5357     NSString *name_;
5358     NSString *count_;
5359     UIImage *icon_;
5360     UISwitch *switch_;
5361     BOOL editing_;
5362 }
5363
5364 - (void) setSection:(Section *)section editing:(BOOL)editing;
5365
5366 @end
5367
5368 @implementation SectionCell
5369
5370 - (void) clearSection {
5371     if (basic_ != nil) {
5372         [basic_ release];
5373         basic_ = nil;
5374     }
5375
5376     if (section_ != nil) {
5377         [section_ release];
5378         section_ = nil;
5379     }
5380
5381     if (name_ != nil) {
5382         [name_ release];
5383         name_ = nil;
5384     }
5385
5386     if (count_ != nil) {
5387         [count_ release];
5388         count_ = nil;
5389     }
5390 }
5391
5392 - (void) dealloc {
5393     [self clearSection];
5394     [icon_ release];
5395     [switch_ release];
5396     [super dealloc];
5397 }
5398
5399 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5400     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5401         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5402         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5403         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5404
5405         UIView *content([self contentView]);
5406         CGRect bounds([content bounds]);
5407
5408         content_ = [[ContentView alloc] initWithFrame:bounds];
5409         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5410         [content addSubview:content_];
5411         [content_ setBackgroundColor:[UIColor whiteColor]];
5412
5413         [content_ setDelegate:self];
5414     } return self;
5415 }
5416
5417 - (void) onSwitch:(id)sender {
5418     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5419     if (metadata == nil) {
5420         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5421         [Sections_ setObject:metadata forKey:basic_];
5422     }
5423
5424     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5425     Changed_ = true;
5426 }
5427
5428 - (void) setSection:(Section *)section editing:(BOOL)editing {
5429     if (editing != editing_) {
5430         if (editing_)
5431             [switch_ removeFromSuperview];
5432         else
5433             [self addSubview:switch_];
5434         editing_ = editing;
5435     }
5436
5437     [self clearSection];
5438
5439     if (section == nil) {
5440         name_ = [UCLocalize("ALL_PACKAGES") retain];
5441         count_ = nil;
5442     } else {
5443         basic_ = [section name];
5444         if (basic_ != nil)
5445             basic_ = [basic_ retain];
5446
5447         section_ = [section localized];
5448         if (section_ != nil)
5449             section_ = [section_ retain];
5450
5451         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5452         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5453
5454         if (editing_)
5455             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5456     }
5457
5458     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5459     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5460
5461     [content_ setNeedsDisplay];
5462 }
5463
5464 - (void) setFrame:(CGRect)frame {
5465     [super setFrame:frame];
5466
5467     CGRect rect([switch_ frame]);
5468     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5469 }
5470
5471 - (NSString *) accessibilityLabel {
5472     return name_;
5473 }
5474
5475 - (void) drawContentRect:(CGRect)rect {
5476     bool highlighted(highlighted_ && !editing_);
5477
5478     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5479
5480     if (highlighted)
5481         UISetColor(White_);
5482
5483     float width(rect.size.width);
5484     if (editing_)
5485         width -= 87;
5486
5487     if (!highlighted)
5488         UISetColor(Black_);
5489     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5490
5491     CGSize size = [count_ sizeWithFont:Font14_];
5492
5493     UISetColor(White_);
5494     if (count_ != nil)
5495         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5496 }
5497
5498 @end
5499 /* }}} */
5500
5501 /* File Table {{{ */
5502 @interface FileTable : CYViewController <
5503     UITableViewDataSource,
5504     UITableViewDelegate
5505 > {
5506     _transient Database *database_;
5507     Package *package_;
5508     NSString *name_;
5509     NSMutableArray *files_;
5510     UITableView *list_;
5511 }
5512
5513 - (id) initWithDatabase:(Database *)database;
5514 - (void) setPackage:(Package *)package;
5515
5516 @end
5517
5518 @implementation FileTable
5519
5520 - (void) dealloc {
5521     [self releaseSubviews];
5522
5523     [package_ release];
5524     [name_ release];
5525     [files_ release];
5526
5527     [super dealloc];
5528 }
5529
5530 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5531     return files_ == nil ? 0 : [files_ count];
5532 }
5533
5534 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5535     return 24.0f;
5536 }*/
5537
5538 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5539     static NSString *reuseIdentifier = @"Cell";
5540
5541     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5542     if (cell == nil) {
5543         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5544         [cell setFont:[UIFont systemFontOfSize:16]];
5545     }
5546     [cell setText:[files_ objectAtIndex:indexPath.row]];
5547     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5548
5549     return cell;
5550 }
5551
5552 - (NSURL *) navigationURL {
5553     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5554 }
5555
5556 - (void) loadView {
5557     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5558
5559     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5560     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5561     [list_ setRowHeight:24.0f];
5562     [list_ setDataSource:self];
5563     [list_ setDelegate:self];
5564     [[self view] addSubview:list_];
5565 }
5566
5567 - (void) viewDidLoad {
5568     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5569 }
5570
5571 - (void) releaseSubviews {
5572     [list_ release];
5573     list_ = nil;
5574 }
5575
5576 - (id) initWithDatabase:(Database *)database {
5577     if ((self = [super init]) != nil) {
5578         database_ = database;
5579
5580         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
5581     } return self;
5582 }
5583
5584 - (void) setPackage:(Package *)package {
5585     if (package_ != nil) {
5586         [package_ autorelease];
5587         package_ = nil;
5588     }
5589
5590     if (name_ != nil) {
5591         [name_ release];
5592         name_ = nil;
5593     }
5594
5595     [files_ removeAllObjects];
5596
5597     if (package != nil) {
5598         package_ = [package retain];
5599         name_ = [[package id] retain];
5600
5601         if (NSArray *files = [package files])
5602             [files_ addObjectsFromArray:files];
5603
5604         if ([files_ count] != 0) {
5605             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5606                 [files_ removeObjectAtIndex:0];
5607             [files_ sortUsingSelector:@selector(compareByPath:)];
5608
5609             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5610             [stack addObject:@"/"];
5611
5612             for (int i(0), e([files_ count]); i != e; ++i) {
5613                 NSString *file = [files_ objectAtIndex:i];
5614                 while (![file hasPrefix:[stack lastObject]])
5615                     [stack removeLastObject];
5616                 NSString *directory = [stack lastObject];
5617                 [stack addObject:[file stringByAppendingString:@"/"]];
5618                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5619                     ([stack count] - 2) * 3, "",
5620                     [file substringFromIndex:[directory length]]
5621                 ]];
5622             }
5623         }
5624     }
5625
5626     [list_ reloadData];
5627 }
5628
5629 - (void) reloadData {
5630     [super reloadData];
5631
5632     [self setPackage:[database_ packageWithName:name_]];
5633 }
5634
5635 @end
5636 /* }}} */
5637 /* Package Controller {{{ */
5638 @interface CYPackageController : CYBrowserController <
5639     UIActionSheetDelegate
5640 > {
5641     _transient Database *database_;
5642     Package *package_;
5643     NSString *name_;
5644     bool commercial_;
5645     NSMutableArray *buttons_;
5646     UIBarButtonItem *button_;
5647 }
5648
5649 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5650
5651 @end
5652
5653 @implementation CYPackageController
5654
5655 - (void) dealloc {
5656     if (package_ != nil)
5657         [package_ release];
5658     if (name_ != nil)
5659         [name_ release];
5660
5661     [buttons_ release];
5662
5663     if (button_ != nil)
5664         [button_ release];
5665
5666     [super dealloc];
5667 }
5668
5669 - (NSURL *) navigationURL {
5670     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", name_]];
5671 }
5672
5673 /* XXX: this is not safe at all... localization of /fail/ */
5674 - (void) _clickButtonWithName:(NSString *)name {
5675     if ([name isEqualToString:UCLocalize("CLEAR")])
5676         [delegate_ clearPackage:package_];
5677     else if ([name isEqualToString:UCLocalize("INSTALL")])
5678         [delegate_ installPackage:package_];
5679     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5680         [delegate_ installPackage:package_];
5681     else if ([name isEqualToString:UCLocalize("REMOVE")])
5682         [delegate_ removePackage:package_];
5683     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5684         [delegate_ installPackage:package_];
5685     else _assert(false);
5686 }
5687
5688 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5689     NSString *context([sheet context]);
5690
5691     if ([context isEqualToString:@"modify"]) {
5692         if (button != [sheet cancelButtonIndex]) {
5693             NSString *buttonName = [buttons_ objectAtIndex:button];
5694             [self _clickButtonWithName:buttonName];
5695         }
5696
5697         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5698     }
5699 }
5700
5701 - (bool) _allowJavaScriptPanel {
5702     return commercial_;
5703 }
5704
5705 #if !AlwaysReload
5706 - (void) _customButtonClicked {
5707     int count([buttons_ count]);
5708     if (count == 0)
5709         return;
5710
5711     if (count == 1)
5712         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5713     else {
5714         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5715         [buttons addObjectsFromArray:buttons_];
5716
5717         UIActionSheet *sheet = [[[UIActionSheet alloc]
5718             initWithTitle:nil
5719             delegate:self
5720             cancelButtonTitle:nil
5721             destructiveButtonTitle:nil
5722             otherButtonTitles:nil
5723         ] autorelease];
5724
5725         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
5726         if (!IsWildcat_) {
5727            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
5728            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
5729         }
5730         [sheet setContext:@"modify"];
5731
5732         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
5733     }
5734 }
5735
5736 // We don't want to allow non-commercial packages to do custom things to the install button,
5737 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
5738 - (void) customButtonClicked {
5739     if (commercial_)
5740         [super customButtonClicked];
5741     else
5742         [self _customButtonClicked];
5743 }
5744
5745 - (void) reloadButtonClicked {
5746     // Don't reload a commerical package by tapping the loading button,
5747     // but if it's not an Install button, we should forward it on.
5748     if (![package_ uninstalled])
5749         [self _customButtonClicked];
5750 }
5751
5752 - (void) applyLoadingTitle {
5753     // Don't show "Loading" as the title. Ever.
5754 }
5755
5756 - (UIBarButtonItem *) rightButton {
5757     return button_;
5758 }
5759 #endif
5760
5761 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
5762     if ((self = [super init]) != nil) {
5763         database_ = database;
5764         buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
5765         name_ = [[NSString alloc] initWithString:name];
5766         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/package/#!/%@", UI_, name_]]];
5767     } return self;
5768 }
5769
5770 - (void) reloadData {
5771     if (package_ != nil)
5772         [package_ autorelease];
5773     package_ = [database_ packageWithName:name_];
5774
5775     [buttons_ removeAllObjects];
5776
5777     if (package_ != nil) {
5778         [package_ parse];
5779
5780         package_ = [package_ retain];
5781         commercial_ = [package_ isCommercial];
5782
5783         if ([package_ mode] != nil)
5784             [buttons_ addObject:UCLocalize("CLEAR")];
5785         if ([package_ source] == nil);
5786         else if ([package_ upgradableAndEssential:NO])
5787             [buttons_ addObject:UCLocalize("UPGRADE")];
5788         else if ([package_ uninstalled])
5789             [buttons_ addObject:UCLocalize("INSTALL")];
5790         else
5791             [buttons_ addObject:UCLocalize("REINSTALL")];
5792         if (![package_ uninstalled])
5793             [buttons_ addObject:UCLocalize("REMOVE")];
5794     }
5795
5796     if (button_ != nil)
5797         [button_ release];
5798
5799     NSString *title;
5800     switch ([buttons_ count]) {
5801         case 0: title = nil; break;
5802         case 1: title = [buttons_ objectAtIndex:0]; break;
5803         default: title = UCLocalize("MODIFY"); break;
5804     }
5805
5806     button_ = [[UIBarButtonItem alloc]
5807         initWithTitle:title
5808         style:UIBarButtonItemStylePlain
5809         target:self
5810         action:@selector(customButtonClicked)
5811     ];
5812
5813     [super reloadData];
5814 }
5815
5816 - (bool) isLoading {
5817     return commercial_ ? [super isLoading] : false;
5818 }
5819
5820 @end
5821 /* }}} */
5822
5823 /* Package List Controller {{{ */
5824 @interface PackageListController : CYViewController <
5825     UITableViewDataSource,
5826     UITableViewDelegate
5827 > {
5828     _transient Database *database_;
5829     unsigned era_;
5830     NSMutableArray *packages_;
5831     NSMutableArray *sections_;
5832     UITableView *list_;
5833     NSMutableArray *index_;
5834     NSMutableDictionary *indices_;
5835     NSString *title_;
5836 }
5837
5838 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
5839 - (void) setDelegate:(id)delegate;
5840 - (void) resetCursor;
5841
5842 @end
5843
5844 @implementation PackageListController
5845
5846 - (void) dealloc {
5847     [packages_ release];
5848     [sections_ release];
5849     [list_ release];
5850     [index_ release];
5851     [indices_ release];
5852     [title_ release];
5853
5854     [super dealloc];
5855 }
5856
5857 - (void) deselectWithAnimation:(BOOL)animated {
5858     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
5859 }
5860
5861 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
5862     CGRect base = [[self view] bounds];
5863     base.size.height -= bounds.size.height;
5864     base.origin = [list_ frame].origin;
5865
5866     [UIView beginAnimations:nil context:NULL];
5867     [UIView setAnimationBeginsFromCurrentState:YES];
5868     [UIView setAnimationCurve:curve];
5869     [UIView setAnimationDuration:duration];
5870     [list_ setFrame:base];
5871     [UIView commitAnimations];
5872 }
5873
5874 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
5875     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
5876 }
5877
5878 - (void) resizeForKeyboardBounds:(CGRect)bounds {
5879     [self resizeForKeyboardBounds:bounds duration:0];
5880 }
5881
5882 - (void) keyboardWillShow:(NSNotification *)notification {
5883     CGRect bounds;
5884     CGPoint center;
5885     NSTimeInterval duration;
5886     UIViewAnimationCurve curve;
5887     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
5888     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
5889     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
5890     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
5891
5892     CGRect kbframe = CGRectMake(round(center.x - bounds.size.width / 2.0), round(center.y - bounds.size.height / 2.0), bounds.size.width, bounds.size.height);
5893     UIViewController *base = self;
5894     while ([base parentViewController] != nil)
5895         base = [base parentViewController];
5896     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
5897     CGRect intersection = CGRectIntersection(viewframe, kbframe);
5898
5899     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
5900 }
5901
5902 - (void) keyboardWillHide:(NSNotification *)notification {
5903     NSTimeInterval duration;
5904     UIViewAnimationCurve curve;
5905     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
5906     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
5907
5908     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
5909 }
5910
5911 - (void) viewWillAppear:(BOOL)animated {
5912     [super viewWillAppear:animated];
5913
5914     [self resizeForKeyboardBounds:CGRectZero];
5915     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
5916     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
5917 }
5918
5919 - (void) viewWillDisappear:(BOOL)animated {
5920     [super viewWillDisappear:animated];
5921
5922     [self resizeForKeyboardBounds:CGRectZero];
5923     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
5924     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
5925 }
5926
5927 - (void) viewDidAppear:(BOOL)animated {
5928     [super viewDidAppear:animated];
5929     [self deselectWithAnimation:animated];
5930 }
5931
5932 - (void) didSelectPackage:(Package *)package {
5933     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
5934     [view setDelegate:delegate_];
5935     [[self navigationController] pushViewController:view animated:YES];
5936 }
5937
5938 #if TryIndexedCollation
5939 + (BOOL) hasIndexedCollation {
5940     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
5941 }
5942 #endif
5943
5944 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
5945     NSInteger count([sections_ count]);
5946     return count == 0 ? 1 : count;
5947 }
5948
5949 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
5950     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
5951         return nil;
5952     return [[sections_ objectAtIndex:section] name];
5953 }
5954
5955 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
5956     if ([sections_ count] == 0)
5957         return 0;
5958     return [[sections_ objectAtIndex:section] count];
5959 }
5960
5961 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
5962 @synchronized (database_) {
5963     if ([database_ era] != era_)
5964         return nil;
5965
5966     Section *section([sections_ objectAtIndex:[path section]]);
5967     NSInteger row([path row]);
5968     Package *package([packages_ objectAtIndex:([section row] + row)]);
5969     return [[package retain] autorelease];
5970 } }
5971
5972 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
5973     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
5974     if (cell == nil)
5975         cell = [[[PackageCell alloc] init] autorelease];
5976     [cell setPackage:[self packageAtIndexPath:path]];
5977     return cell;
5978 }
5979
5980 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
5981     Package *package([self packageAtIndexPath:path]);
5982     package = [database_ packageWithName:[package id]];
5983     [self didSelectPackage:package];
5984 }
5985
5986 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
5987     // XXX: is 20 the most optimal number here?
5988     return [packages_ count] > 20 ? index_ : nil;
5989 }
5990
5991 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
5992 #if TryIndexedCollation
5993     if ([[self class] hasIndexedCollation]) {
5994         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
5995     }
5996 #endif
5997
5998     return index;
5999 }
6000
6001 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6002     if ((self = [super init]) != nil) {
6003         database_ = database;
6004         title_ = [title copy];
6005         [[self navigationItem] setTitle:title_];
6006
6007 #if TryIndexedCollation
6008         if ([[self class] hasIndexedCollation])
6009             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6010         else
6011 #endif
6012             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6013
6014         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6015
6016         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6017         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6018
6019         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6020         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6021         [list_ setRowHeight:73];
6022         [[self view] addSubview:list_];
6023
6024         [list_ setDataSource:self];
6025         [list_ setDelegate:self];
6026     } return self;
6027 }
6028
6029 - (void) setDelegate:(id)delegate {
6030     delegate_ = delegate;
6031 }
6032
6033 - (bool) hasPackage:(Package *)package {
6034     return true;
6035 }
6036
6037 - (void) reloadData {
6038     [super reloadData];
6039
6040     era_ = [database_ era];
6041     NSArray *packages = [database_ packages];
6042
6043     [packages_ removeAllObjects];
6044     [sections_ removeAllObjects];
6045
6046     _profile(PackageTable$reloadData$Filter)
6047         for (Package *package in packages)
6048             if ([self hasPackage:package])
6049                 [packages_ addObject:package];
6050     _end
6051
6052     [indices_ removeAllObjects];
6053
6054     Section *section = nil;
6055
6056 #if TryIndexedCollation
6057     if ([[self class] hasIndexedCollation]) {
6058         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6059         NSArray *titles = [collation sectionIndexTitles];
6060         int secidx = -1;
6061
6062         _profile(PackageTable$reloadData$Section)
6063             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6064                 Package *package;
6065                 int index;
6066
6067                 _profile(PackageTable$reloadData$Section$Package)
6068                     package = [packages_ objectAtIndex:offset];
6069                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6070                 _end
6071
6072                 while (secidx < index) {
6073                     secidx += 1;
6074
6075                     _profile(PackageTable$reloadData$Section$Allocate)
6076                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6077                     _end
6078
6079                     _profile(PackageTable$reloadData$Section$Add)
6080                         [sections_ addObject:section];
6081                     _end
6082                 }
6083
6084                 [section addToCount];
6085             }
6086         _end
6087     } else
6088 #endif
6089     {
6090         [index_ removeAllObjects];
6091
6092         _profile(PackageTable$reloadData$Section)
6093             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6094                 Package *package;
6095                 unichar index;
6096
6097                 _profile(PackageTable$reloadData$Section$Package)
6098                     package = [packages_ objectAtIndex:offset];
6099                     index = [package index];
6100                 _end
6101
6102                 if (section == nil || [section index] != index) {
6103                     _profile(PackageTable$reloadData$Section$Allocate)
6104                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6105                     _end
6106
6107                     [index_ addObject:[section name]];
6108                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6109
6110                     _profile(PackageTable$reloadData$Section$Add)
6111                         [sections_ addObject:section];
6112                     _end
6113                 }
6114
6115                 [section addToCount];
6116             }
6117         _end
6118     }
6119
6120     _profile(PackageTable$reloadData$List)
6121         [list_ reloadData];
6122     _end
6123 }
6124
6125 - (void) resetCursor {
6126     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6127 }
6128
6129 @end
6130 /* }}} */
6131 /* Filtered Package List Controller {{{ */
6132 @interface FilteredPackageListController : PackageListController {
6133     SEL filter_;
6134     IMP imp_;
6135     id object_;
6136 }
6137
6138 - (void) setObject:(id)object;
6139 - (void) setObject:(id)object forFilter:(SEL)filter;
6140
6141 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6142
6143 @end
6144
6145 @implementation FilteredPackageListController
6146
6147 - (void) dealloc {
6148     if (object_ != nil)
6149         [object_ release];
6150     [super dealloc];
6151 }
6152
6153 - (void) setFilter:(SEL)filter {
6154     filter_ = filter;
6155
6156     /* XXX: this is an unsafe optimization of doomy hell */
6157     Method method(class_getInstanceMethod([Package class], filter));
6158     _assert(method != NULL);
6159     imp_ = method_getImplementation(method);
6160     _assert(imp_ != NULL);
6161 }
6162
6163 - (void) setObject:(id)object {
6164     if (object_ != nil)
6165         [object_ release];
6166     if (object == nil)
6167         object_ = nil;
6168     else
6169         object_ = [object retain];
6170 }
6171
6172 - (void) setObject:(id)object forFilter:(SEL)filter {
6173     [self setFilter:filter];
6174     [self setObject:object];
6175 }
6176
6177 - (bool) hasPackage:(Package *)package {
6178     _profile(FilteredPackageTable$hasPackage)
6179         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6180     _end
6181 }
6182
6183 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6184     if ((self = [super initWithDatabase:database title:title]) != nil) {
6185         [self setFilter:filter];
6186         [self setObject:object];
6187     } return self;
6188 }
6189
6190 @end
6191 /* }}} */
6192
6193 /* Home Controller {{{ */
6194 @interface HomeController : CYBrowserController {
6195 }
6196
6197 @end
6198
6199 @implementation HomeController
6200
6201 + (BOOL) shouldHideNavigationBar {
6202     return NO;
6203 }
6204
6205 - (NSURL *) navigationURL {
6206     return [NSURL URLWithString:@"cydia://home"];
6207 }
6208
6209 - (void) _setMoreHeaders:(NSMutableURLRequest *)request {
6210     [super _setMoreHeaders:request];
6211
6212     if (ChipID_ != nil)
6213         [request setValue:ChipID_ forHTTPHeaderField:@"X-Chip-ID"];
6214     if (UniqueID_ != nil)
6215         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
6216     if (PLMN_ != nil)
6217         [request setValue:PLMN_ forHTTPHeaderField:@"X-Carrier-ID"];
6218 }
6219
6220 - (void) aboutButtonClicked {
6221     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6222
6223     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6224     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6225     [alert setCancelButtonIndex:0];
6226
6227     [alert setMessage:
6228         @"Copyright (C) 2008-2011\n"
6229         "Jay Freeman (saurik)\n"
6230         "saurik@saurik.com\n"
6231         "http://www.saurik.com/"
6232     ];
6233
6234     [alert show];
6235 }
6236
6237 - (void) viewWillDisappear:(BOOL)animated {
6238     [super viewWillDisappear:animated];
6239
6240     if ([[self class] shouldHideNavigationBar])
6241         [[self navigationController] setNavigationBarHidden:NO animated:animated];
6242 }
6243
6244 - (void) viewWillAppear:(BOOL)animated {
6245     if (![self hasLoaded])
6246         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/home/", UI_]]];
6247
6248     [super viewWillAppear:animated];
6249
6250     if ([[self class] shouldHideNavigationBar])
6251         [[self navigationController] setNavigationBarHidden:YES animated:animated];
6252 }
6253
6254 - (void) viewDidLoad {
6255     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6256         initWithTitle:UCLocalize("ABOUT")
6257         style:UIBarButtonItemStylePlain
6258         target:self
6259         action:@selector(aboutButtonClicked)
6260     ] autorelease]];
6261 }
6262
6263 @end
6264 /* }}} */
6265 /* Manage Controller {{{ */
6266 @interface ManageController : CYBrowserController {
6267 }
6268
6269 - (void) queueStatusDidChange;
6270
6271 @end
6272
6273 @implementation ManageController
6274
6275 - (NSURL *) navigationURL {
6276     return [NSURL URLWithString:@"cydia://manage"];
6277 }
6278
6279 - (void) viewWillAppear:(BOOL)animated {
6280     if (![self hasLoaded])
6281         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/manage/", UI_]]];
6282
6283     [super viewWillAppear:animated];
6284 }
6285
6286 - (void) viewDidLoad {
6287     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6288         initWithTitle:UCLocalize("SETTINGS")
6289         style:UIBarButtonItemStylePlain
6290         target:self
6291         action:@selector(settingsButtonClicked)
6292     ] autorelease]];
6293
6294     [self queueStatusDidChange];
6295 }
6296
6297 - (void) settingsButtonClicked {
6298     [delegate_ showSettings];
6299 }
6300
6301 #if !AlwaysReload
6302 - (void) queueButtonClicked {
6303     [delegate_ queue];
6304 }
6305
6306 - (void) applyLoadingTitle {
6307     // Disable "Loading" title.
6308 }
6309
6310 - (void) applyRightButton {
6311     // Disable right button.
6312 }
6313 #endif
6314
6315 - (void) queueStatusDidChange {
6316 #if !AlwaysReload
6317     if (!IsWildcat_ && Queuing_) {
6318         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6319             initWithTitle:UCLocalize("QUEUE")
6320             style:UIBarButtonItemStyleDone
6321             target:self
6322             action:@selector(queueButtonClicked)
6323         ] autorelease]];
6324     } else {
6325         [[self navigationItem] setRightBarButtonItem:nil];
6326     }
6327 #endif
6328 }
6329
6330 - (bool) isLoading {
6331     // Never show as loading.
6332     return false;
6333 }
6334
6335 @end
6336 /* }}} */
6337
6338 /* Refresh Bar {{{ */
6339 @interface RefreshBar : UINavigationBar {
6340     UIProgressIndicator *indicator_;
6341     UITextLabel *prompt_;
6342     UIProgressBar *progress_;
6343     UINavigationButton *cancel_;
6344 }
6345
6346 @end
6347
6348 @implementation RefreshBar
6349
6350 - (void) dealloc {
6351     [indicator_ release];
6352     [prompt_ release];
6353     [progress_ release];
6354     [cancel_ release];
6355     [super dealloc];
6356 }
6357
6358 - (void) positionViews {
6359     CGRect frame = [cancel_ frame];
6360     frame.size = [cancel_ sizeThatFits:frame.size];
6361     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6362     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6363     [cancel_ setFrame:frame];
6364
6365     CGSize prgsize = {75, 100};
6366     CGRect prgrect = {{
6367         [self frame].size.width - prgsize.width - 10,
6368         ([self frame].size.height - prgsize.height) / 2
6369     } , prgsize};
6370     [progress_ setFrame:prgrect];
6371
6372     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6373     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6374     CGRect indrect = {{indoffset, indoffset}, indsize};
6375     [indicator_ setFrame:indrect];
6376
6377     CGSize prmsize = {215, indsize.height + 4};
6378     CGRect prmrect = {{
6379         indoffset * 2 + indsize.width,
6380         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6381     }, prmsize};
6382     [prompt_ setFrame:prmrect];
6383 }
6384
6385 - (void) setFrame:(CGRect)frame {
6386     [super setFrame:frame];
6387     [self positionViews];
6388 }
6389
6390 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6391     if ((self = [super initWithFrame:frame]) != nil) {
6392         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6393
6394         [self setBarStyle:UIBarStyleBlack];
6395
6396         UIBarStyle barstyle([self _barStyle:NO]);
6397         bool ugly(barstyle == UIBarStyleDefault);
6398
6399         UIProgressIndicatorStyle style = ugly ?
6400             UIProgressIndicatorStyleMediumBrown :
6401             UIProgressIndicatorStyleMediumWhite;
6402
6403         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6404         [indicator_ setStyle:style];
6405         [indicator_ startAnimation];
6406         [self addSubview:indicator_];
6407
6408         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6409         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6410         [prompt_ setBackgroundColor:[UIColor clearColor]];
6411         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6412         [self addSubview:prompt_];
6413
6414         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6415         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6416         [progress_ setStyle:0];
6417         [self addSubview:progress_];
6418
6419         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6420         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6421         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6422         [cancel_ setBarStyle:barstyle];
6423
6424         [self positionViews];
6425     } return self;
6426 }
6427
6428 - (void) cancel {
6429     [cancel_ removeFromSuperview];
6430 }
6431
6432 - (void) start {
6433     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6434     [progress_ setProgress:0];
6435     [self addSubview:cancel_];
6436 }
6437
6438 - (void) stop {
6439     [cancel_ removeFromSuperview];
6440 }
6441
6442 - (void) setPrompt:(NSString *)prompt {
6443     [prompt_ setText:prompt];
6444 }
6445
6446 - (void) setProgress:(float)progress {
6447     [progress_ setProgress:progress];
6448 }
6449
6450 @end
6451 /* }}} */
6452
6453 @class CYNavigationController;
6454
6455 /* Cydia Tab Bar Controller {{{ */
6456 @interface CYTabBarController : UITabBarController <
6457     UITabBarControllerDelegate,
6458     ProgressDelegate
6459 > {
6460     _transient Database *database_;
6461     RefreshBar *refreshbar_;
6462
6463     bool dropped_;
6464     bool updating_;
6465     // XXX: ok, "updatedelegate_"?...
6466     _transient NSObject<CydiaDelegate> *updatedelegate_;
6467
6468     id root_;
6469     UIViewController *remembered_;
6470     _transient UIViewController *transient_;
6471 }
6472
6473 - (NSArray *) navigationURLCollection;
6474 - (void) dropBar:(BOOL)animated;
6475 - (void) beginUpdate;
6476 - (void) raiseBar:(BOOL)animated;
6477 - (BOOL) updating;
6478
6479 @end
6480
6481 @implementation CYTabBarController
6482
6483 - (void) setUnselectedViewController:(UIViewController *)transient {
6484     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6485     if (transient != nil) {
6486         if (transient_ == nil)
6487             remembered_ = [[controllers objectAtIndex:0] retain];
6488         transient_ = transient;
6489         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6490         [controllers replaceObjectAtIndex:0 withObject:transient_];
6491         [self setSelectedIndex:0];
6492         [self setViewControllers:controllers];
6493         [self concealTabBarSelection];
6494     } else if (remembered_ != nil) {
6495         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6496         transient_ = transient;
6497         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6498         [remembered_ release];
6499         remembered_ = nil;
6500         [self setViewControllers:controllers];
6501         [self revealTabBarSelection];
6502     }
6503 }
6504
6505 - (UIViewController *) unselectedViewController {
6506     return transient_;
6507 }
6508
6509 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6510     if ([self unselectedViewController])
6511         [self setUnselectedViewController:nil];
6512 }
6513
6514 - (NSArray *) navigationURLCollection {
6515     NSMutableArray *items([NSMutableArray array]);
6516
6517     // XXX: Should this deal with transient view controllers?
6518     for (id navigation in [self viewControllers]) {
6519         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6520         if (stack != nil)
6521             [items addObject:stack];
6522     }
6523
6524     return items;
6525 }
6526
6527 - (void) reloadData {
6528     for (CYViewController *controller in [self viewControllers])
6529         [controller reloadData];
6530
6531     [(CYNavigationController *)[self unselectedViewController] reloadData];
6532 }
6533
6534 - (void) dealloc {
6535     [refreshbar_ release];
6536     [[NSNotificationCenter defaultCenter] removeObserver:self];
6537
6538     [super dealloc];
6539 }
6540
6541 - (id) initWithDatabase:(Database *)database {
6542     if ((self = [super init]) != nil) {
6543         database_ = database;
6544         [self setDelegate:self];
6545
6546         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6547         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6548
6549         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6550     } return self;
6551 }
6552
6553 - (void) setUpdate:(NSDate *)date {
6554     [self beginUpdate];
6555 }
6556
6557 - (void) beginUpdate {
6558     [refreshbar_ start];
6559     [self dropBar:YES];
6560
6561     [updatedelegate_ retainNetworkActivityIndicator];
6562     updating_ = true;
6563
6564     [NSThread
6565         detachNewThreadSelector:@selector(performUpdate)
6566         toTarget:self
6567         withObject:nil
6568     ];
6569 }
6570
6571 - (void) performUpdate { _pooled
6572     Status status;
6573     status.setDelegate(self);
6574     [database_ updateWithStatus:status];
6575
6576     [self
6577         performSelectorOnMainThread:@selector(completeUpdate)
6578         withObject:nil
6579         waitUntilDone:NO
6580     ];
6581 }
6582
6583 - (void) stopUpdateWithSelector:(SEL)selector {
6584     updating_ = false;
6585     [updatedelegate_ releaseNetworkActivityIndicator];
6586
6587     [self raiseBar:YES];
6588     [refreshbar_ stop];
6589
6590     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6591 }
6592
6593 - (void) completeUpdate {
6594     if (!updating_)
6595         return;
6596     [self stopUpdateWithSelector:@selector(reloadData)];
6597 }
6598
6599 - (void) cancelUpdate {
6600     [self stopUpdateWithSelector:@selector(updateData)];
6601 }
6602
6603 - (void) cancelPressed {
6604     [self cancelUpdate];
6605 }
6606
6607 - (BOOL) updating {
6608     return updating_;
6609 }
6610
6611 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6612     [refreshbar_ setPrompt:[event compoundMessage]];
6613 }
6614
6615 - (bool) isProgressCancelled {
6616     return !updating_;
6617 }
6618
6619 - (void) setProgressPercent:(NSNumber *)percent {
6620     [refreshbar_ setProgress:[percent floatValue]];
6621 }
6622
6623 - (void) setUpdateDelegate:(id)delegate {
6624     updatedelegate_ = delegate;
6625 }
6626
6627 - (CGFloat) statusBarHeight {
6628     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
6629         return [[UIApplication sharedApplication] statusBarFrame].size.height;
6630     } else {
6631         return [[UIApplication sharedApplication] statusBarFrame].size.width;
6632     }
6633 }
6634
6635 - (UIView *) transitionView {
6636     if ([self respondsToSelector:@selector(_transitionView)])
6637         return [self _transitionView];
6638     else
6639         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6640 }
6641
6642 - (void) dropBar:(BOOL)animated {
6643     if (dropped_)
6644         return;
6645     dropped_ = true;
6646
6647     UIView *transition([self transitionView]);
6648     [[self view] addSubview:refreshbar_];
6649
6650     CGRect barframe([refreshbar_ frame]);
6651
6652     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6653         barframe.origin.y = [self statusBarHeight];
6654     else
6655         barframe.origin.y = 0;
6656
6657     [refreshbar_ setFrame:barframe];
6658
6659     if (animated)
6660         [UIView beginAnimations:nil context:NULL];
6661
6662     CGRect viewframe = [transition frame];
6663     viewframe.origin.y += barframe.size.height;
6664     viewframe.size.height -= barframe.size.height;
6665     [transition setFrame:viewframe];
6666
6667     if (animated)
6668         [UIView commitAnimations];
6669
6670     // Ensure bar has the proper width for our view, it might have changed
6671     barframe.size.width = viewframe.size.width;
6672     [refreshbar_ setFrame:barframe];
6673
6674     // XXX: fix Apple's layout bug
6675     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6676 }
6677
6678 - (void) raiseBar:(BOOL)animated {
6679     if (!dropped_)
6680         return;
6681     dropped_ = false;
6682
6683     UIView *transition([self transitionView]);
6684     [refreshbar_ removeFromSuperview];
6685
6686     CGRect barframe([refreshbar_ frame]);
6687
6688     if (animated)
6689         [UIView beginAnimations:nil context:NULL];
6690
6691     CGRect viewframe = [transition frame];
6692     viewframe.origin.y -= barframe.size.height;
6693     viewframe.size.height += barframe.size.height;
6694     [transition setFrame:viewframe];
6695
6696     if (animated)
6697         [UIView commitAnimations];
6698
6699     // XXX: fix Apple's layout bug
6700     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6701 }
6702
6703 #if 0
6704 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
6705     // XXX: fix Apple's layout bug
6706     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6707 }
6708 #endif
6709
6710 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6711     bool dropped(dropped_);
6712
6713     if (dropped)
6714         [self raiseBar:NO];
6715
6716     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6717
6718     if (dropped)
6719         [self dropBar:NO];
6720
6721     // XXX: fix Apple's layout bug
6722     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6723 }
6724
6725 - (void) statusBarFrameChanged:(NSNotification *)notification {
6726     if (dropped_) {
6727         [self raiseBar:NO];
6728         [self dropBar:NO];
6729     }
6730 }
6731
6732 @end
6733 /* }}} */
6734 /* Cydia Navigation Controller {{{ */
6735 @interface CYNavigationController : UINavigationController {
6736     _transient Database *database_;
6737     _transient id<UINavigationControllerDelegate> delegate_;
6738 }
6739
6740 - (NSArray *) navigationURLCollection;
6741 - (id) initWithDatabase:(Database *)database;
6742 - (void) reloadData;
6743
6744 @end
6745
6746
6747 @implementation CYNavigationController
6748
6749 - (NSArray *) navigationURLCollection {
6750     NSMutableArray *stack([NSMutableArray array]);
6751
6752     for (CYViewController *controller in [self viewControllers]) {
6753         NSString *url = [[controller navigationURL] absoluteString];
6754         if (url != nil)
6755             [stack addObject:url];
6756     }
6757
6758     return stack;
6759 }
6760
6761 - (void) reloadData {
6762     for (CYViewController *page in [self viewControllers]) {
6763         // Only reload controllers that have already loaded.
6764         // This prevents a page from accidentally loading too
6765         // early if it hasn't been shown on the screen yet.
6766         if ([page hasLoaded])
6767             [page reloadData];
6768     }
6769 }
6770
6771 - (void) setDelegate:(id<UINavigationControllerDelegate>)delegate {
6772     delegate_ = delegate;
6773 }
6774
6775 - (id) initWithDatabase:(Database *)database {
6776     if ((self = [super init]) != nil) {
6777         database_ = database;
6778     } return self;
6779 }
6780
6781 @end
6782 /* }}} */
6783
6784 /* Cydia:// Protocol {{{ */
6785 @interface CydiaURLProtocol : NSURLProtocol {
6786 }
6787
6788 @end
6789
6790 @implementation CydiaURLProtocol
6791
6792 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
6793     NSURL *url([request URL]);
6794     if (url == nil)
6795         return NO;
6796     NSString *scheme([[url scheme] lowercaseString]);
6797     if (scheme == nil || ![scheme isEqualToString:@"cydia"])
6798         return NO;
6799     return YES;
6800 }
6801
6802 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
6803     return request;
6804 }
6805
6806 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
6807     id<NSURLProtocolClient> client([self client]);
6808     if (icon == nil)
6809         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
6810     else {
6811         NSData *data(UIImagePNGRepresentation(icon));
6812
6813         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
6814         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
6815         [client URLProtocol:self didLoadData:data];
6816         [client URLProtocolDidFinishLoading:self];
6817     }
6818 }
6819
6820 - (void) startLoading {
6821     id<NSURLProtocolClient> client([self client]);
6822     NSURLRequest *request([self request]);
6823
6824     NSURL *url([request URL]);
6825     NSString *href([url absoluteString]);
6826
6827     NSString *path([href substringFromIndex:8]);
6828     NSRange slash([path rangeOfString:@"/"]);
6829
6830     NSString *command;
6831     if (slash.location == NSNotFound) {
6832         command = path;
6833         path = nil;
6834     } else {
6835         command = [path substringToIndex:slash.location];
6836         path = [path substringFromIndex:(slash.location + 1)];
6837     }
6838
6839     Database *database([Database sharedInstance]);
6840
6841     if ([command isEqualToString:@"package-icon"]) {
6842         if (path == nil)
6843             goto fail;
6844         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6845         Package *package([database packageWithName:path]);
6846         if (package == nil)
6847             goto fail;
6848         UIImage *icon([package icon]);
6849         [self _returnPNGWithImage:icon forRequest:request];
6850     } else if ([command isEqualToString:@"source-icon"]) {
6851         if (path == nil)
6852             goto fail;
6853         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6854         NSString *source(Simplify(path));
6855         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
6856         if (icon == nil)
6857             icon = [UIImage applicationImageNamed:@"unknown.png"];
6858         [self _returnPNGWithImage:icon forRequest:request];
6859     } else if ([command isEqualToString:@"uikit-image"]) {
6860         if (path == nil)
6861             goto fail;
6862         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6863         UIImage *icon(_UIImageWithName(path));
6864         [self _returnPNGWithImage:icon forRequest:request];
6865     } else if ([command isEqualToString:@"section-icon"]) {
6866         if (path == nil)
6867             goto fail;
6868         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6869         NSString *section(Simplify(path));
6870         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
6871         if (icon == nil)
6872             icon = [UIImage applicationImageNamed:@"unknown.png"];
6873         [self _returnPNGWithImage:icon forRequest:request];
6874     } else fail: {
6875         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
6876     }
6877 }
6878
6879 - (void) stopLoading {
6880 }
6881
6882 @end
6883 /* }}} */
6884
6885 /* Section Controller {{{ */
6886 @interface SectionController : FilteredPackageListController {
6887     NSString *section_;
6888 }
6889
6890 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
6891
6892 @end
6893
6894 @implementation SectionController
6895
6896 - (NSURL *) navigationURL {
6897     NSString *name = section_;
6898     if (name == nil)
6899         name = @"all";
6900
6901     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
6902 }
6903
6904 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
6905     NSString *title;
6906     if (name == nil)
6907         title = UCLocalize("ALL_PACKAGES");
6908     else if (![name isEqual:@""])
6909         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
6910     else
6911         title = UCLocalize("NO_SECTION");
6912
6913     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
6914         section_ = name;
6915     } return self;
6916 }
6917
6918 @end
6919 /* }}} */
6920 /* Sections Controller {{{ */
6921 @interface SectionsController : CYViewController <
6922     UITableViewDataSource,
6923     UITableViewDelegate
6924 > {
6925     _transient Database *database_;
6926     NSMutableArray *sections_;
6927     NSMutableArray *filtered_;
6928     UITableView *list_;
6929     BOOL editing_;
6930 }
6931
6932 - (id) initWithDatabase:(Database *)database;
6933 - (void) editButtonClicked;
6934
6935 @end
6936
6937 @implementation SectionsController
6938
6939 - (void) dealloc {
6940     [self releaseSubviews];
6941     [sections_ release];
6942     [filtered_ release];
6943
6944     [super dealloc];
6945 }
6946
6947 - (NSURL *) navigationURL {
6948     return [NSURL URLWithString:@"cydia://sections"];
6949 }
6950
6951 - (void) updateNavigationItem {
6952     [[self navigationItem] setTitle:editing_ ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
6953     if ([sections_ count] == 0) {
6954         [[self navigationItem] setRightBarButtonItem:nil];
6955     } else {
6956         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
6957             initWithBarButtonSystemItem:(editing_ ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
6958             target:self
6959             action:@selector(editButtonClicked)
6960         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
6961     }
6962 }
6963
6964 - (BOOL) isEditing {
6965     return editing_;
6966 }
6967
6968 - (void) setEditing:(BOOL)editing {
6969     if ((editing_ = editing))
6970         [list_ reloadData];
6971     else
6972         [delegate_ updateData];
6973
6974     [self updateNavigationItem];
6975 }
6976
6977 - (void) viewDidAppear:(BOOL)animated {
6978     [super viewDidAppear:animated];
6979     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6980 }
6981
6982 - (void) viewWillDisappear:(BOOL)animated {
6983     [super viewWillDisappear:animated];
6984     if (editing_) [self setEditing:NO];
6985 }
6986
6987 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
6988     Section *section = (editing_ ? [sections_ objectAtIndex:[indexPath row]] : ([indexPath row] == 0 ? nil : [filtered_ objectAtIndex:([indexPath row] - 1)]));
6989     return section;
6990 }
6991
6992 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
6993     return editing_ ? [sections_ count] : [filtered_ count] + 1;
6994 }
6995
6996 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
6997     return 45.0f;
6998 }*/
6999
7000 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7001     static NSString *reuseIdentifier = @"SectionCell";
7002
7003     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7004     if (cell == nil)
7005         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7006
7007     [cell setSection:[self sectionAtIndexPath:indexPath] editing:editing_];
7008
7009     return cell;
7010 }
7011
7012 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7013     if (editing_)
7014         return;
7015
7016     Section *section = [self sectionAtIndexPath:indexPath];
7017
7018     SectionController *controller = [[[SectionController alloc]
7019         initWithDatabase:database_
7020         section:[section name]
7021     ] autorelease];
7022     [controller setDelegate:delegate_];
7023
7024     [[self navigationController] pushViewController:controller animated:YES];
7025 }
7026
7027 - (void) loadView {
7028     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7029
7030     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7031     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7032     [list_ setRowHeight:45.0f];
7033     [list_ setDataSource:self];
7034     [list_ setDelegate:self];
7035     [[self view] addSubview:list_];
7036 }
7037
7038 - (void) viewDidLoad {
7039     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7040 }
7041
7042 - (void) releaseSubviews {
7043     [list_ release];
7044     list_ = nil;
7045 }
7046
7047 - (id) initWithDatabase:(Database *)database {
7048     if ((self = [super init]) != nil) {
7049         database_ = database;
7050
7051         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7052         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7053     } return self;
7054 }
7055
7056 - (void) reloadData {
7057     [super reloadData];
7058
7059     NSArray *packages = [database_ packages];
7060
7061     [sections_ removeAllObjects];
7062     [filtered_ removeAllObjects];
7063
7064     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7065
7066     _trace();
7067     for (Package *package in packages) {
7068         NSString *name([package section]);
7069         NSString *key(name == nil ? @"" : name);
7070
7071         Section *section;
7072
7073         _profile(SectionsView$reloadData$Section)
7074             section = [sections objectForKey:key];
7075             if (section == nil) {
7076                 _profile(SectionsView$reloadData$Section$Allocate)
7077                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7078                     [sections setObject:section forKey:key];
7079                 _end
7080             }
7081         _end
7082
7083         [section addToCount];
7084
7085         _profile(SectionsView$reloadData$Filter)
7086             if (![package valid] || ![package visible])
7087                 continue;
7088         _end
7089
7090         [section addToRow];
7091     }
7092     _trace();
7093
7094     [sections_ addObjectsFromArray:[sections allValues]];
7095
7096     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7097
7098     for (Section *section in sections_) {
7099         size_t count([section row]);
7100         if (count == 0)
7101             continue;
7102
7103         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7104         [section setCount:count];
7105         [filtered_ addObject:section];
7106     }
7107
7108     [self updateNavigationItem];
7109     [list_ reloadData];
7110     _trace();
7111 }
7112
7113 - (void) editButtonClicked {
7114     [self setEditing:(!editing_)];
7115 }
7116
7117 @end
7118 /* }}} */
7119
7120 /* Changes Controller {{{ */
7121 @interface ChangesController : CYViewController <
7122     UITableViewDataSource,
7123     UITableViewDelegate
7124 > {
7125     _transient Database *database_;
7126     unsigned era_;
7127     CFMutableArrayRef packages_;
7128     NSMutableArray *sections_;
7129     UITableView *list_;
7130     unsigned upgrades_;
7131     BOOL hasSentFirstLoad_;
7132 }
7133
7134 - (id) initWithDatabase:(Database *)database;
7135
7136 @end
7137
7138 @implementation ChangesController
7139
7140 - (void) dealloc {
7141     [self releaseSubviews];
7142     CFRelease(packages_);
7143     [sections_ release];
7144
7145     [super dealloc];
7146 }
7147
7148 - (NSURL *) navigationURL {
7149     return [NSURL URLWithString:@"cydia://changes"];
7150 }
7151
7152 - (void) viewWillAppear:(BOOL)animated {
7153     // Loads after it appears, so don't load beforehand.
7154     loaded_ = YES;
7155     [super viewWillAppear:animated];
7156 }
7157
7158 - (void) viewDidAppear:(BOOL)animated {
7159     [super viewDidAppear:animated];
7160
7161     if (!hasSentFirstLoad_) {
7162         hasSentFirstLoad_ = YES;
7163         [self performSelector:@selector(reloadData) withObject:nil afterDelay:0.0];
7164     } else {
7165         [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7166     }
7167 }
7168
7169 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7170     NSInteger count([sections_ count]);
7171     return count == 0 ? 1 : count;
7172 }
7173
7174 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7175     if ([sections_ count] == 0)
7176         return nil;
7177     return [[sections_ objectAtIndex:section] name];
7178 }
7179
7180 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7181     if ([sections_ count] == 0)
7182         return 0;
7183     return [[sections_ objectAtIndex:section] count];
7184 }
7185
7186 - (Package *) packageAtIndex:(NSUInteger)index {
7187     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7188 }
7189
7190 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7191 @synchronized (database_) {
7192     if ([database_ era] != era_)
7193         return nil;
7194
7195     NSUInteger sectionIndex([path section]);
7196     if (sectionIndex >= [sections_ count])
7197         return nil;
7198     Section *section([sections_ objectAtIndex:sectionIndex]);
7199     NSInteger row([path row]);
7200     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7201 } }
7202
7203 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7204     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7205     if (cell == nil)
7206         cell = [[[PackageCell alloc] init] autorelease];
7207     [cell setPackage:[self packageAtIndexPath:path]];
7208     return cell;
7209 }
7210
7211 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7212     Package *package([self packageAtIndexPath:path]);
7213     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7214     [view setDelegate:delegate_];
7215     [[self navigationController] pushViewController:view animated:YES];
7216     return path;
7217 }
7218
7219 - (void) refreshButtonClicked {
7220     [delegate_ beginUpdate];
7221     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7222 }
7223
7224 - (void) upgradeButtonClicked {
7225     [delegate_ distUpgrade];
7226 }
7227
7228 - (void) loadView {
7229     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7230
7231     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7232     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7233     [list_ setRowHeight:73];
7234     [list_ setDataSource:self];
7235     [list_ setDelegate:self];
7236     [[self view] addSubview:list_];
7237 }
7238
7239 - (void) viewDidLoad {
7240     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7241 }
7242
7243 - (void) releaseSubviews {
7244     [list_ release];
7245     list_ = nil;
7246 }
7247
7248 - (id) initWithDatabase:(Database *)database {
7249     if ((self = [super init]) != nil) {
7250         database_ = database;
7251
7252         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7253         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7254     } return self;
7255 }
7256
7257 // this mostly works because reloadData (below) is @synchronized (database_)
7258 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7259 - (void) _reloadPackages:(NSArray *)packages {
7260     CFRelease(packages_);
7261     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7262
7263     _trace();
7264     _profile(ChangesController$_reloadPackages$Filter)
7265         for (Package *package in packages)
7266             if ([package upgradableAndEssential:YES] || [package visible])
7267                 CFArrayAppendValue(packages_, package);
7268     _end
7269     _trace();
7270     _profile(ChangesController$_reloadPackages$radixSort)
7271         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7272     _end
7273     _trace();
7274 }
7275
7276 - (void) reloadData {
7277 @synchronized (database_) {
7278     era_ = [database_ era];
7279     NSArray *packages = [database_ packages];
7280
7281     [sections_ removeAllObjects];
7282
7283 #if 1
7284     UIProgressHUD *hud([delegate_ addProgressHUD]);
7285     [hud setText:UCLocalize("LOADING")];
7286     //NSLog(@"HUD:%@::%@", delegate_, hud);
7287     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7288     [delegate_ removeProgressHUD:hud];
7289 #else
7290     [self _reloadPackages:packages];
7291 #endif
7292
7293     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7294     Section *ignored = nil;
7295     Section *section = nil;
7296     time_t last = 0;
7297
7298     upgrades_ = 0;
7299     bool unseens = false;
7300
7301     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7302
7303     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7304         Package *package = [self packageAtIndex:offset];
7305
7306         BOOL uae = [package upgradableAndEssential:YES];
7307
7308         if (!uae) {
7309             unseens = true;
7310             time_t seen([package seen]);
7311
7312             if (section == nil || last != seen) {
7313                 last = seen;
7314
7315                 NSString *name;
7316                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7317                 [name autorelease];
7318
7319                 _profile(ChangesController$reloadData$Allocate)
7320                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7321                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7322                     [sections_ addObject:section];
7323                 _end
7324             }
7325
7326             [section addToCount];
7327         } else if ([package ignored]) {
7328             if (ignored == nil) {
7329                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7330             }
7331             [ignored addToCount];
7332         } else {
7333             ++upgrades_;
7334             [upgradable addToCount];
7335         }
7336     }
7337     _trace();
7338
7339     CFRelease(formatter);
7340
7341     if (unseens) {
7342         Section *last = [sections_ lastObject];
7343         size_t count = [last count];
7344         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7345         [sections_ removeLastObject];
7346     }
7347
7348     if ([ignored count] != 0)
7349         [sections_ insertObject:ignored atIndex:0];
7350     if (upgrades_ != 0)
7351         [sections_ insertObject:upgradable atIndex:0];
7352
7353     [list_ reloadData];
7354
7355     if (upgrades_ > 0)
7356         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7357             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7358             style:UIBarButtonItemStylePlain
7359             target:self
7360             action:@selector(upgradeButtonClicked)
7361         ] autorelease]];
7362
7363     if (![delegate_ updating])
7364         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7365             initWithTitle:UCLocalize("REFRESH")
7366             style:UIBarButtonItemStylePlain
7367             target:self
7368             action:@selector(refreshButtonClicked)
7369         ] autorelease]];
7370
7371     PrintTimes();
7372 } }
7373
7374 @end
7375 /* }}} */
7376 /* Search Controller {{{ */
7377 @interface SearchController : FilteredPackageListController <
7378     UISearchBarDelegate
7379 > {
7380     UISearchBar *search_;
7381     BOOL searchloaded_;
7382 }
7383
7384 - (id) initWithDatabase:(Database *)database;
7385 - (void) setSearchTerm:(NSString *)term;
7386 - (void) reloadData;
7387
7388 @end
7389
7390 @implementation SearchController
7391
7392 - (void) dealloc {
7393     [search_ release];
7394     [super dealloc];
7395 }
7396
7397 - (NSURL *) navigationURL {
7398     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7399         return [NSURL URLWithString:@"cydia://search"];
7400     else
7401         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7402 }
7403
7404 - (void) setSearchTerm:(NSString *)searchTerm {
7405     [search_ setText:searchTerm];
7406     [self reloadData];
7407 }
7408
7409 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7410     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7411     [search_ resignFirstResponder];
7412     [self reloadData];
7413 }
7414
7415 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7416     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7417     [self reloadData];
7418 }
7419
7420 - (id) initWithDatabase:(Database *)database {
7421     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7422         search_ = [[UISearchBar alloc] init];
7423     } return self;
7424 }
7425
7426 - (void) viewDidAppear:(BOOL)animated {
7427     [super viewDidAppear:animated];
7428
7429     if (!searchloaded_) {
7430         searchloaded_ = YES;
7431         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7432         [search_ layoutSubviews];
7433         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7434
7435         UITextField *textField;
7436         if ([search_ respondsToSelector:@selector(searchField)])
7437             textField = [search_ searchField];
7438         else
7439             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7440
7441         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7442         [search_ setDelegate:self];
7443         [textField setEnablesReturnKeyAutomatically:NO];
7444         [[self navigationItem] setTitleView:textField];
7445     }
7446 }
7447
7448 - (void) reloadData {
7449     [self setObject:[search_ text]];
7450     [super reloadData];
7451     [self resetCursor];
7452 }
7453
7454 - (void) didSelectPackage:(Package *)package {
7455     [search_ resignFirstResponder];
7456     [super didSelectPackage:package];
7457 }
7458
7459 @end
7460 /* }}} */
7461 /* Package Settings Controller {{{ */
7462 @interface PackageSettingsController : CYViewController <
7463     UITableViewDataSource,
7464     UITableViewDelegate
7465 > {
7466     _transient Database *database_;
7467     NSString *name_;
7468     Package *package_;
7469     UITableView *table_;
7470     UISwitch *subscribedSwitch_;
7471     UISwitch *ignoredSwitch_;
7472     UITableViewCell *subscribedCell_;
7473     UITableViewCell *ignoredCell_;
7474 }
7475
7476 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7477
7478 @end
7479
7480 @implementation PackageSettingsController
7481
7482 - (void) dealloc {
7483     [self releaseSubviews];
7484     [name_ release];
7485     [package_ release];
7486
7487     [super dealloc];
7488 }
7489
7490 - (NSURL *) navigationURL {
7491     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7492 }
7493
7494 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7495     if (package_ == nil)
7496         return 0;
7497
7498     if ([package_ installed] == nil)
7499         return 1;
7500     else
7501         return 2;
7502 }
7503
7504 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7505     if (package_ == nil)
7506         return 0;
7507
7508     // both sections contain just one item right now.
7509     return 1;
7510 }
7511
7512 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7513     return nil;
7514 }
7515
7516 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7517     if (section == 0)
7518         return UCLocalize("SHOW_ALL_CHANGES_EX");
7519     else
7520         return UCLocalize("IGNORE_UPGRADES_EX");
7521 }
7522
7523 - (void) onSubscribed:(id)control {
7524     bool value([control isOn]);
7525     if (package_ == nil)
7526         return;
7527     if ([package_ setSubscribed:value])
7528         [delegate_ updateData];
7529 }
7530
7531 - (void) _updateIgnored {
7532     const char *package([name_ UTF8String]);
7533     bool on([ignoredSwitch_ isOn]);
7534
7535     pid_t pid(ExecFork());
7536     if (pid == 0) {
7537         FILE *dpkg(popen("dpkg --set-selections", "w"));
7538         fwrite(package, strlen(package), 1, dpkg);
7539
7540         if (on)
7541             fwrite(" hold\n", 6, 1, dpkg);
7542         else
7543             fwrite(" install\n", 9, 1, dpkg);
7544
7545         pclose(dpkg);
7546
7547         exit(0);
7548         _assert(false);
7549     }
7550
7551     _forever {
7552         int status;
7553         int result(waitpid(pid, &status, 0));
7554
7555         if (result != -1) {
7556             _assert(result == pid);
7557             break;
7558         }
7559     }
7560 }
7561
7562 - (void) onIgnored:(id)control {
7563     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7564     [invocation setTarget:self];
7565     [invocation setSelector:@selector(_updateIgnored)];
7566
7567     [delegate_ reloadDataWithInvocation:invocation];
7568 }
7569
7570 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7571     if (package_ == nil)
7572         return nil;
7573
7574     switch ([indexPath section]) {
7575         case 0: return subscribedCell_;
7576         case 1: return ignoredCell_;
7577
7578         _nodefault
7579     }
7580
7581     return nil;
7582 }
7583
7584 - (void) loadView {
7585     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7586
7587     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7588     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7589     [table_ setDataSource:self];
7590     [table_ setDelegate:self];
7591     [[self view] addSubview:table_];
7592
7593     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7594     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7595     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7596
7597     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7598     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7599     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7600
7601     subscribedCell_ = [[UITableViewCell alloc] init];
7602     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7603     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7604     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7605
7606     ignoredCell_ = [[UITableViewCell alloc] init];
7607     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7608     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7609     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7610 }
7611
7612 - (void) viewDidLoad {
7613     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7614 }
7615
7616 - (void) releaseSubviews {
7617     [ignoredCell_ release];
7618     ignoredCell_ = nil;
7619
7620     [subscribedCell_ release];
7621     subscribedCell_ = nil;
7622
7623     [table_ release];
7624     table_ = nil;
7625
7626     [ignoredSwitch_ release];
7627     ignoredSwitch_ = nil;
7628
7629     [subscribedSwitch_ release];
7630     subscribedSwitch_ = nil;
7631 }
7632
7633 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7634     if ((self = [super init]) != nil) {
7635         database_ = database;
7636         name_ = [package retain];
7637     } return self;
7638 }
7639
7640 - (void) reloadData {
7641     [super reloadData];
7642
7643     if (package_ != nil)
7644         [package_ autorelease];
7645     package_ = [database_ packageWithName:name_];
7646
7647     if (package_ != nil) {
7648         package_ = [package_ retain];
7649         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7650         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7651     } // XXX: what now, G?
7652
7653     [table_ reloadData];
7654 }
7655
7656 @end
7657 /* }}} */
7658
7659 /* Installed Controller {{{ */
7660 @interface InstalledController : FilteredPackageListController {
7661     BOOL expert_;
7662 }
7663
7664 - (id) initWithDatabase:(Database *)database;
7665
7666 - (void) updateRoleButton;
7667 - (void) queueStatusDidChange;
7668
7669 @end
7670
7671 @implementation InstalledController
7672
7673 - (void) dealloc {
7674     [super dealloc];
7675 }
7676
7677 - (NSURL *) navigationURL {
7678     return [NSURL URLWithString:@"cydia://installed"];
7679 }
7680
7681 - (id) initWithDatabase:(Database *)database {
7682     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7683         [self updateRoleButton];
7684         [self queueStatusDidChange];
7685     } return self;
7686 }
7687
7688 #if !AlwaysReload
7689 - (void) queueButtonClicked {
7690     [delegate_ queue];
7691 }
7692 #endif
7693
7694 - (void) queueStatusDidChange {
7695 #if !AlwaysReload
7696     if (IsWildcat_) {
7697         if (Queuing_) {
7698             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7699                 initWithTitle:UCLocalize("QUEUE")
7700                 style:UIBarButtonItemStyleDone
7701                 target:self
7702                 action:@selector(queueButtonClicked)
7703             ] autorelease]];
7704         } else {
7705             [[self navigationItem] setLeftBarButtonItem:nil];
7706         }
7707     }
7708 #endif
7709 }
7710
7711 - (void) updateRoleButton {
7712     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
7713         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7714             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
7715             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7716             target:self
7717             action:@selector(roleButtonClicked)
7718         ] autorelease]];
7719 }
7720
7721 - (void) roleButtonClicked {
7722     [self setObject:[NSNumber numberWithBool:expert_]];
7723     [self reloadData];
7724     expert_ = !expert_;
7725
7726     [self updateRoleButton];
7727 }
7728
7729 @end
7730 /* }}} */
7731
7732 /* Source Cell {{{ */
7733 @interface SourceCell : CYTableViewCell <
7734     ContentDelegate
7735 > {
7736     UIImage *icon_;
7737     NSString *origin_;
7738     NSString *label_;
7739 }
7740
7741 - (void) setSource:(Source *)source;
7742
7743 @end
7744
7745 @implementation SourceCell
7746
7747 - (void) clearSource {
7748     [icon_ release];
7749     [origin_ release];
7750     [label_ release];
7751
7752     icon_ = nil;
7753     origin_ = nil;
7754     label_ = nil;
7755 }
7756
7757 - (void) setSource:(Source *)source {
7758     [self clearSource];
7759
7760     if (icon_ == nil)
7761         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
7762     if (icon_ == nil)
7763         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
7764     icon_ = [icon_ retain];
7765
7766     origin_ = [[source name] retain];
7767     label_ = [[source uri] retain];
7768
7769     [content_ setNeedsDisplay];
7770 }
7771
7772 - (void) dealloc {
7773     [self clearSource];
7774     [super dealloc];
7775 }
7776
7777 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
7778     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
7779         UIView *content([self contentView]);
7780         CGRect bounds([content bounds]);
7781
7782         content_ = [[ContentView alloc] initWithFrame:bounds];
7783         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7784         [content_ setBackgroundColor:[UIColor whiteColor]];
7785         [content addSubview:content_];
7786
7787         [content_ setDelegate:self];
7788         [content_ setOpaque:YES];
7789     } return self;
7790 }
7791
7792 - (NSString *) accessibilityLabel {
7793     return label_;
7794 }
7795
7796 - (void) drawContentRect:(CGRect)rect {
7797     bool highlighted(highlighted_);
7798     float width(rect.size.width);
7799
7800     if (icon_ != nil)
7801         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
7802
7803     if (highlighted)
7804         UISetColor(White_);
7805
7806     if (!highlighted)
7807         UISetColor(Black_);
7808     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
7809
7810     if (!highlighted)
7811         UISetColor(Blue_);
7812     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
7813 }
7814
7815 @end
7816 /* }}} */
7817 /* Source Controller {{{ */
7818 @interface SourceController : FilteredPackageListController {
7819     _transient Source *source_;
7820     NSString *key_;
7821 }
7822
7823 - (id) initWithDatabase:(Database *)database source:(Source *)source;
7824
7825 @end
7826
7827 @implementation SourceController
7828
7829 - (NSURL *) navigationURL {
7830     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
7831 }
7832
7833 - (id) initWithDatabase:(Database *)database source:(Source *)source {
7834     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
7835         source_ = source;
7836         key_ = [[source key] retain];
7837     } return self;
7838 }
7839
7840 - (void) reloadData {
7841     source_ = [database_ sourceWithKey:key_];
7842     [key_ release];
7843     key_ = [[source_ key] retain];
7844     [self setObject:source_];
7845     [[self navigationItem] setTitle:[source_ label]];
7846
7847     [super reloadData];
7848 }
7849
7850 @end
7851 /* }}} */
7852 /* Sources Controller {{{ */
7853 @interface SourcesController : CYViewController <
7854     UITableViewDataSource,
7855     UITableViewDelegate
7856 > {
7857     _transient Database *database_;
7858     UITableView *list_;
7859     NSMutableArray *sources_;
7860     int offset_;
7861
7862     NSString *href_;
7863     UIProgressHUD *hud_;
7864     NSError *error_;
7865
7866     //NSURLConnection *installer_;
7867     NSURLConnection *trivial_;
7868     NSURLConnection *trivial_bz2_;
7869     NSURLConnection *trivial_gz_;
7870     //NSURLConnection *automatic_;
7871
7872     BOOL cydia_;
7873 }
7874
7875 - (id) initWithDatabase:(Database *)database;
7876 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
7877
7878 @end
7879
7880 @implementation SourcesController
7881
7882 - (void) _releaseConnection:(NSURLConnection *)connection {
7883     if (connection != nil) {
7884         [connection cancel];
7885         //[connection setDelegate:nil];
7886         [connection release];
7887     }
7888 }
7889
7890 - (void) dealloc {
7891     [self releaseSubviews];
7892
7893     [href_ release];
7894     [hud_ release];
7895     [error_ release];
7896
7897     //[self _releaseConnection:installer_];
7898     [self _releaseConnection:trivial_];
7899     [self _releaseConnection:trivial_gz_];
7900     [self _releaseConnection:trivial_bz2_];
7901     //[self _releaseConnection:automatic_];
7902
7903     [sources_ release];
7904     [super dealloc];
7905 }
7906
7907 - (NSURL *) navigationURL {
7908     return [NSURL URLWithString:@"cydia://sources"];
7909 }
7910
7911 - (void) viewDidAppear:(BOOL)animated {
7912     [super viewDidAppear:animated];
7913     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7914 }
7915
7916 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7917     return offset_ == 0 ? 1 : 2;
7918 }
7919
7920 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7921     switch (section + (offset_ == 0 ? 1 : 0)) {
7922         case 0: return UCLocalize("ENTERED_BY_USER");
7923         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
7924
7925         _nodefault
7926     }
7927 }
7928
7929 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7930     int count = [sources_ count];
7931     switch (section) {
7932         case 0: return (offset_ == 0 ? count : offset_);
7933         case 1: return count - offset_;
7934
7935         _nodefault
7936     }
7937 }
7938
7939 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
7940     unsigned idx = 0;
7941     switch (indexPath.section) {
7942         case 0: idx = indexPath.row; break;
7943         case 1: idx = indexPath.row + offset_; break;
7944
7945         _nodefault
7946     }
7947     return [sources_ objectAtIndex:idx];
7948 }
7949
7950 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7951     static NSString *cellIdentifier = @"SourceCell";
7952
7953     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
7954     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
7955     [cell setSource:[self sourceAtIndexPath:indexPath]];
7956     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
7957
7958     return cell;
7959 }
7960
7961 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7962     Source *source = [self sourceAtIndexPath:indexPath];
7963
7964     SourceController *controller = [[[SourceController alloc]
7965         initWithDatabase:database_
7966         source:source
7967     ] autorelease];
7968
7969     [controller setDelegate:delegate_];
7970
7971     [[self navigationController] pushViewController:controller animated:YES];
7972 }
7973
7974 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
7975     Source *source = [self sourceAtIndexPath:indexPath];
7976     return [source record] != nil;
7977 }
7978
7979 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
7980     Source *source = [self sourceAtIndexPath:indexPath];
7981     [Sources_ removeObjectForKey:[source key]];
7982     [delegate_ syncData];
7983 }
7984
7985 - (void) complete {
7986     [delegate_ addTrivialSource:href_];
7987     [delegate_ syncData];
7988 }
7989
7990 - (NSString *) getWarning {
7991     NSString *href(href_);
7992     NSRange colon([href rangeOfString:@"://"]);
7993     if (colon.location != NSNotFound)
7994         href = [href substringFromIndex:(colon.location + 3)];
7995     href = [href stringByAddingPercentEscapes];
7996     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
7997     href = [href stringByCachingURLWithCurrentCDN];
7998
7999     NSURL *url([NSURL URLWithString:href]);
8000
8001     NSStringEncoding encoding;
8002     NSError *error(nil);
8003
8004     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8005         return [warning length] == 0 ? nil : warning;
8006     return nil;
8007 }
8008
8009 - (void) _endConnection:(NSURLConnection *)connection {
8010     // XXX: the memory management in this method is horribly awkward
8011
8012     NSURLConnection **field = NULL;
8013     if (connection == trivial_)
8014         field = &trivial_;
8015     else if (connection == trivial_bz2_)
8016         field = &trivial_bz2_;
8017     else if (connection == trivial_gz_)
8018         field = &trivial_gz_;
8019     _assert(field != NULL);
8020     [connection release];
8021     *field = nil;
8022
8023     if (
8024         trivial_ == nil &&
8025         trivial_bz2_ == nil &&
8026         trivial_gz_ == nil
8027     ) {
8028         bool defer(false);
8029
8030         if (cydia_) {
8031             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8032                 defer = true;
8033
8034                 UIAlertView *alert = [[[UIAlertView alloc]
8035                     initWithTitle:UCLocalize("SOURCE_WARNING")
8036                     message:warning
8037                     delegate:self
8038                     cancelButtonTitle:UCLocalize("CANCEL")
8039                     otherButtonTitles:
8040                         UCLocalize("ADD_ANYWAY"),
8041                     nil
8042                 ] autorelease];
8043
8044                 [alert setContext:@"warning"];
8045                 [alert setNumberOfRows:1];
8046                 [alert show];
8047             } else
8048                 [self complete];
8049         } else if (error_ != nil) {
8050             UIAlertView *alert = [[[UIAlertView alloc]
8051                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8052                 message:[error_ localizedDescription]
8053                 delegate:self
8054                 cancelButtonTitle:UCLocalize("OK")
8055                 otherButtonTitles:nil
8056             ] autorelease];
8057
8058             [alert setContext:@"urlerror"];
8059             [alert show];
8060         } else {
8061             UIAlertView *alert = [[[UIAlertView alloc]
8062                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8063                 message:UCLocalize("NOT_REPOSITORY_EX")
8064                 delegate:self
8065                 cancelButtonTitle:UCLocalize("OK")
8066                 otherButtonTitles:nil
8067             ] autorelease];
8068
8069             [alert setContext:@"trivial"];
8070             [alert show];
8071         }
8072
8073         [delegate_ releaseNetworkActivityIndicator];
8074
8075         [delegate_ removeProgressHUD:hud_];
8076         [hud_ autorelease];
8077         hud_ = nil;
8078
8079         if (!defer) {
8080             [href_ release];
8081             href_ = nil;
8082         }
8083
8084         if (error_ != nil) {
8085             [error_ release];
8086             error_ = nil;
8087         }
8088     }
8089 }
8090
8091 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8092     switch ([response statusCode]) {
8093         case 200:
8094             cydia_ = YES;
8095     }
8096 }
8097
8098 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8099     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8100     if (error_ != nil)
8101         error_ = [error retain];
8102     [self _endConnection:connection];
8103 }
8104
8105 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8106     [self _endConnection:connection];
8107 }
8108
8109 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8110     NSMutableURLRequest *request = [NSMutableURLRequest
8111         requestWithURL:[NSURL URLWithString:href]
8112         cachePolicy:NSURLRequestUseProtocolCachePolicy
8113         timeoutInterval:120.0
8114     ];
8115
8116     [request setHTTPMethod:method];
8117
8118     if (Machine_ != NULL)
8119         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8120     if (UniqueID_ != nil)
8121         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8122     if (Role_ != nil)
8123         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
8124
8125     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8126 }
8127
8128 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8129     NSString *context([alert context]);
8130
8131     if ([context isEqualToString:@"source"]) {
8132         switch (button) {
8133             case 1: {
8134                 NSString *href = [[alert textField] text];
8135
8136                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8137
8138                 if (![href hasSuffix:@"/"])
8139                     href_ = [href stringByAppendingString:@"/"];
8140                 else
8141                     href_ = href;
8142                 href_ = [href_ retain];
8143
8144                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8145                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8146                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8147                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8148
8149                 cydia_ = false;
8150
8151                 // XXX: this is stupid
8152                 hud_ = [[delegate_ addProgressHUD] retain];
8153                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8154                 [delegate_ retainNetworkActivityIndicator];
8155             } break;
8156
8157             case 0:
8158             break;
8159
8160             _nodefault
8161         }
8162
8163         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8164     } else if ([context isEqualToString:@"trivial"])
8165         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8166     else if ([context isEqualToString:@"urlerror"])
8167         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8168     else if ([context isEqualToString:@"warning"]) {
8169         switch (button) {
8170             case 1:
8171                 [self complete];
8172             break;
8173
8174             case 0:
8175             break;
8176
8177             _nodefault
8178         }
8179
8180         [href_ release];
8181         href_ = nil;
8182
8183         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8184     }
8185 }
8186
8187 - (void) loadView {
8188     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8189
8190     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8191     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8192     [list_ setRowHeight:56];
8193     [list_ setDataSource:self];
8194     [list_ setDelegate:self];
8195     [[self view] addSubview:list_];
8196 }
8197
8198 - (void) viewDidLoad {
8199     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8200     [self updateButtonsForEditingStatus:NO animated:NO];
8201 }
8202
8203 - (void) releaseSubviews {
8204     [list_ release];
8205     list_ = nil;
8206 }
8207
8208 - (id) initWithDatabase:(Database *)database {
8209     if ((self = [super init]) != nil) {
8210         database_ = database;
8211         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8212     } return self;
8213 }
8214
8215 - (void) reloadData {
8216     [super reloadData];
8217
8218     pkgSourceList list;
8219     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8220         return;
8221
8222     [sources_ removeAllObjects];
8223     [sources_ addObjectsFromArray:[database_ sources]];
8224     _trace();
8225     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8226     _trace();
8227
8228     int count([sources_ count]);
8229     offset_ = 0;
8230     for (int i = 0; i != count; i++) {
8231         if ([[sources_ objectAtIndex:i] record] == nil)
8232             break;
8233         offset_++;
8234     }
8235
8236     [list_ setEditing:NO];
8237     [self updateButtonsForEditingStatus:NO animated:NO];
8238     [list_ reloadData];
8239 }
8240
8241 - (void) showAddSourcePrompt {
8242     UIAlertView *alert = [[[UIAlertView alloc]
8243         initWithTitle:UCLocalize("ENTER_APT_URL")
8244         message:nil
8245         delegate:self
8246         cancelButtonTitle:UCLocalize("CANCEL")
8247         otherButtonTitles:
8248             UCLocalize("ADD_SOURCE"),
8249         nil
8250     ] autorelease];
8251
8252     [alert setContext:@"source"];
8253     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8254
8255     [alert setNumberOfRows:1];
8256     [alert addTextFieldWithValue:@"http://" label:@""];
8257
8258     UITextInputTraits *traits = [[alert textField] textInputTraits];
8259     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8260     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8261     [traits setKeyboardType:UIKeyboardTypeURL];
8262     // XXX: UIReturnKeyDone
8263     [traits setReturnKeyType:UIReturnKeyNext];
8264
8265     [alert show];
8266 }
8267
8268 - (void) addButtonClicked {
8269     [self showAddSourcePrompt];
8270 }
8271
8272 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8273     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8274         initWithTitle:UCLocalize("ADD")
8275         style:UIBarButtonItemStylePlain
8276         target:self
8277         action:@selector(addButtonClicked)
8278     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8279
8280     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8281         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8282         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8283         target:self
8284         action:@selector(editButtonClicked)
8285     ] autorelease] animated:animated];
8286
8287     if (IsWildcat_ && !editing)
8288         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8289             initWithTitle:UCLocalize("SETTINGS")
8290             style:UIBarButtonItemStylePlain
8291             target:self
8292             action:@selector(settingsButtonClicked)
8293         ] autorelease]];
8294 }
8295
8296 - (void) settingsButtonClicked {
8297     [delegate_ showSettings];
8298 }
8299
8300 - (void) editButtonClicked {
8301     [list_ setEditing:![list_ isEditing] animated:YES];
8302
8303     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8304 }
8305
8306 @end
8307 /* }}} */
8308
8309 /* Settings Controller {{{ */
8310 @interface SettingsController : CYViewController <
8311     UITableViewDataSource,
8312     UITableViewDelegate
8313 > {
8314     _transient Database *database_;
8315     // XXX: ok, "roledelegate_"?...
8316     _transient id roledelegate_;
8317     UITableView *table_;
8318     UISegmentedControl *segment_;
8319     UIView *container_;
8320 }
8321
8322 - (void) showDoneButton;
8323 - (void) resizeSegmentedControl;
8324
8325 @end
8326
8327 @implementation SettingsController
8328
8329 - (void) dealloc {
8330     [self releaseSubviews];
8331
8332     [super dealloc];
8333 }
8334
8335 - (void) loadView {
8336     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8337
8338     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8339     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8340     [table_ setDelegate:self];
8341     [table_ setDataSource:self];
8342     [[self view] addSubview:table_];
8343
8344     NSArray *items = [NSArray arrayWithObjects:
8345         UCLocalize("USER"),
8346         UCLocalize("HACKER"),
8347         UCLocalize("DEVELOPER"),
8348     nil];
8349     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8350     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8351     [container_ addSubview:segment_];
8352 }
8353
8354 - (void) viewDidLoad {
8355     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8356
8357     int index = -1;
8358     if ([Role_ isEqualToString:@"User"]) index = 0;
8359     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8360     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8361     if (index != -1) {
8362         [segment_ setSelectedSegmentIndex:index];
8363         [self showDoneButton];
8364     }
8365
8366     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8367     [self resizeSegmentedControl];
8368 }
8369
8370 - (void) releaseSubviews {
8371     [table_ release];
8372     table_ = nil;
8373
8374     [segment_ release];
8375     segment_ = nil;
8376
8377     [container_ release];
8378     container_ = nil;
8379 }
8380
8381 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8382     if ((self = [super init]) != nil) {
8383         database_ = database;
8384         roledelegate_ = delegate;
8385     } return self;
8386 }
8387
8388 - (void) resizeSegmentedControl {
8389     CGFloat width = [[self view] frame].size.width;
8390     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8391 }
8392
8393 - (void) viewWillAppear:(BOOL)animated {
8394     [super viewWillAppear:animated];
8395
8396     [self resizeSegmentedControl];
8397 }
8398
8399 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8400     [self resizeSegmentedControl];
8401 }
8402
8403 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8404     [self resizeSegmentedControl];
8405 }
8406
8407 - (void) save {
8408     NSString *role(nil);
8409
8410     switch ([segment_ selectedSegmentIndex]) {
8411         case 0: role = @"User"; break;
8412         case 1: role = @"Hacker"; break;
8413         case 2: role = @"Developer"; break;
8414
8415         _nodefault
8416     }
8417
8418     if (![role isEqualToString:Role_]) {
8419         bool rolling(Role_ == nil);
8420         Role_ = role;
8421
8422         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8423             Role_, @"Role",
8424         nil];
8425
8426         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8427         Changed_ = true;
8428
8429         if (rolling)
8430             [roledelegate_ loadData];
8431         else
8432             [roledelegate_ updateData];
8433     }
8434 }
8435
8436 - (void) segmentChanged:(UISegmentedControl *)control {
8437     [self showDoneButton];
8438 }
8439
8440 - (void) saveAndClose {
8441     [self save];
8442
8443     [[self navigationItem] setRightBarButtonItem:nil];
8444     [[self navigationController] dismissModalViewControllerAnimated:YES];
8445 }
8446
8447 - (void) doneButtonClicked {
8448     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8449     [spinner startAnimating];
8450     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8451     [[self navigationItem] setRightBarButtonItem:spinItem];
8452
8453     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8454 }
8455
8456 - (void) showDoneButton {
8457     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8458         initWithTitle:UCLocalize("DONE")
8459         style:UIBarButtonItemStyleDone
8460         target:self
8461         action:@selector(doneButtonClicked)
8462     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8463 }
8464
8465 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8466     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8467     return 6;
8468 }
8469
8470 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8471     return 0; // :(
8472 }
8473
8474 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8475     return nil; // This method is required by the protocol.
8476 }
8477
8478 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8479     if (section == 1)
8480         return UCLocalize("ROLE_EX");
8481     if (section == 4)
8482         return [NSString stringWithFormat:
8483             @"%@: %@\n%@: %@\n%@: %@",
8484             UCLocalize("USER"), UCLocalize("USER_EX"),
8485             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8486             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8487         ];
8488     else return nil;
8489 }
8490
8491 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8492     return section == 3 ? 44.0f : 0;
8493 }
8494
8495 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8496     return section == 3 ? container_ : nil;
8497 }
8498
8499 - (void) reloadData {
8500     [super reloadData];
8501     [table_ reloadData];
8502 }
8503
8504 @end
8505 /* }}} */
8506 /* Stash Controller {{{ */
8507 @interface StashController : CYViewController {
8508     UIActivityIndicatorView *spinner_;
8509     UILabel *status_;
8510     UILabel *caption_;
8511 }
8512
8513 @end
8514
8515 @implementation StashController
8516
8517 - (void) dealloc {
8518     [self releaseSubviews];
8519
8520     [super dealloc];
8521 }
8522
8523 - (void) loadView {
8524     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8525     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8526
8527     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8528     CGRect spinrect = [spinner_ frame];
8529     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8530     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8531     [spinner_ setFrame:spinrect];
8532     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8533     [[self view] addSubview:spinner_];
8534     [spinner_ startAnimating];
8535
8536     CGRect captrect;
8537     captrect.size.width = [[self view] frame].size.width;
8538     captrect.size.height = 40.0f;
8539     captrect.origin.x = 0;
8540     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8541     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8542     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8543     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8544     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8545     [caption_ setTextColor:[UIColor whiteColor]];
8546     [caption_ setBackgroundColor:[UIColor clearColor]];
8547     [caption_ setShadowColor:[UIColor blackColor]];
8548     [caption_ setTextAlignment:UITextAlignmentCenter];
8549     [[self view] addSubview:caption_];
8550
8551     CGRect statusrect;
8552     statusrect.size.width = [[self view] frame].size.width;
8553     statusrect.size.height = 30.0f;
8554     statusrect.origin.x = 0;
8555     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8556     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8557     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8558     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8559     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8560     [status_ setTextColor:[UIColor whiteColor]];
8561     [status_ setBackgroundColor:[UIColor clearColor]];
8562     [status_ setShadowColor:[UIColor blackColor]];
8563     [status_ setTextAlignment:UITextAlignmentCenter];
8564     [[self view] addSubview:status_];
8565 }
8566
8567 - (void) releaseSubviews {
8568     [spinner_ release];
8569     spinner_ = nil;
8570
8571     [status_ release];
8572     status_ = nil;
8573
8574     [caption_ release];
8575     caption_ = nil;
8576 }
8577
8578 @end
8579 /* }}} */
8580
8581 @interface Cydia : UIApplication <
8582     ConfirmationControllerDelegate,
8583     DatabaseDelegate,
8584     CydiaDelegate,
8585     UINavigationControllerDelegate,
8586     UITabBarControllerDelegate
8587 > {
8588     // XXX: evaluate all fields for _transient
8589
8590     UIWindow *window_;
8591     CYTabBarController *tabbar_;
8592     CYEmulatedLoadingController *emulated_;
8593
8594     NSMutableArray *essential_;
8595     NSMutableArray *broken_;
8596
8597     Database *database_;
8598
8599     NSURL *starturl_;
8600
8601     unsigned locked_;
8602     unsigned activity_;
8603
8604     StashController *stash_;
8605
8606     bool loaded_;
8607 }
8608
8609 - (void) loadData;
8610
8611 @end
8612
8613 @implementation Cydia
8614
8615 - (void) beginUpdate {
8616     [tabbar_ beginUpdate];
8617 }
8618
8619 - (BOOL) updating {
8620     return [tabbar_ updating];
8621 }
8622
8623 - (void) _loaded {
8624     if ([broken_ count] != 0) {
8625         int count = [broken_ count];
8626
8627         UIAlertView *alert = [[[UIAlertView alloc]
8628             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8629             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8630             delegate:self
8631             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8632             otherButtonTitles:
8633                 UCLocalize("TEMPORARY_IGNORE"),
8634             nil
8635         ] autorelease];
8636
8637         [alert setContext:@"fixhalf"];
8638         [alert show];
8639     } else if (!Ignored_ && [essential_ count] != 0) {
8640         int count = [essential_ count];
8641
8642         UIAlertView *alert = [[[UIAlertView alloc]
8643             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8644             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8645             delegate:self
8646             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8647             otherButtonTitles:
8648                 UCLocalize("UPGRADE_ESSENTIAL"),
8649                 UCLocalize("COMPLETE_UPGRADE"),
8650             nil
8651         ] autorelease];
8652
8653         [alert setContext:@"upgrade"];
8654         [alert show];
8655     }
8656 }
8657
8658 - (void) _saveConfig {
8659     _trace();
8660     MetaFile_.Sync();
8661     _trace();
8662
8663     if (Changed_) {
8664         NSString *error(nil);
8665
8666         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8667             _trace();
8668             NSError *error(nil);
8669             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8670                 NSLog(@"failure to save metadata data: %@", error);
8671             _trace();
8672
8673             Changed_ = false;
8674         } else {
8675             NSLog(@"failure to serialize metadata: %@", error);
8676         }
8677     }
8678 }
8679
8680 // Navigation controller for the queuing badge.
8681 - (CYNavigationController *) queueNavigationController {
8682     NSArray *controllers = [tabbar_ viewControllers];
8683     return [controllers objectAtIndex:3];
8684 }
8685
8686 - (void) _updateData {
8687     [self _saveConfig];
8688
8689     [tabbar_ reloadData];
8690
8691     CYNavigationController *navigation = [self queueNavigationController];
8692
8693     id queuedelegate = nil;
8694     if ([[navigation viewControllers] count] > 0)
8695         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8696
8697     [queuedelegate queueStatusDidChange];
8698     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8699 }
8700
8701 - (void) _refreshIfPossible:(NSDate *)update {
8702     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8703
8704     bool recently = false;
8705     if (update != nil) {
8706         NSTimeInterval interval([update timeIntervalSinceNow]);
8707         if (interval <= 0 && interval > -(15*60))
8708             recently = true;
8709     }
8710
8711     // Don't automatic refresh if:
8712     //  - We already refreshed recently.
8713     //  - We already auto-refreshed this launch.
8714     //  - Auto-refresh is disabled.
8715     if (recently || loaded_ || ManualRefresh) {
8716         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8717
8718         // If we are cancelling, we need to make sure it knows it's already loaded.
8719         loaded_ = true;
8720         return;
8721     } else {
8722         // We are going to load, so remember that.
8723         loaded_ = true;
8724     }
8725
8726     SCNetworkReachabilityFlags flags; {
8727         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
8728         SCNetworkReachabilityGetFlags(reachability, &flags);
8729         CFRelease(reachability);
8730     }
8731
8732     // XXX: this elaborate mess is what Apple is using to determine this? :(
8733     // XXX: do we care if the user has to intervene? maybe that's ok?
8734     bool reachable(
8735         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
8736             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
8737                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
8738                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
8739             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
8740             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
8741         )
8742     );
8743
8744     // If we can reach the server, auto-refresh!
8745     if (reachable)
8746         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
8747
8748     [pool release];
8749 }
8750
8751 - (void) refreshIfPossible {
8752     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
8753 }
8754
8755 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
8756     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
8757     [hud setText:UCLocalize("RELOADING_DATA")];
8758
8759     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
8760
8761     if (hud != nil)
8762         [self removeProgressHUD:hud];
8763
8764     size_t changes(0);
8765
8766     [essential_ removeAllObjects];
8767     [broken_ removeAllObjects];
8768
8769     NSArray *packages([database_ packages]);
8770     for (Package *package in packages) {
8771         if ([package half])
8772             [broken_ addObject:package];
8773         if ([package upgradableAndEssential:NO]) {
8774             if ([package essential])
8775                 [essential_ addObject:package];
8776             ++changes;
8777         }
8778     }
8779
8780     NSLog(@"changes:#%u", changes);
8781
8782     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
8783     if (changes != 0) {
8784         _trace();
8785         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
8786         [changesItem setBadgeValue:badge];
8787         [changesItem setAnimatedBadge:([essential_ count] > 0)];
8788         [self setApplicationIconBadgeNumber:changes];
8789     } else {
8790         _trace();
8791         [changesItem setBadgeValue:nil];
8792         [changesItem setAnimatedBadge:NO];
8793         [self setApplicationIconBadgeNumber:0];
8794     }
8795
8796     [self _updateData];
8797
8798     [self refreshIfPossible];
8799 }
8800
8801 - (void) updateData {
8802     [self _updateData];
8803 }
8804
8805 - (void) update_ {
8806     [database_ update];
8807 }
8808
8809 - (void) complete {
8810     @synchronized (self) {
8811         [self _reloadDataWithInvocation:nil];
8812     }
8813 }
8814
8815 - (void) presentModalViewController:(UIViewController *)controller {
8816     UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
8817     if (IsWildcat_)
8818         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
8819     [((UIViewController *) emulated_ ?: tabbar_) presentModalViewController:navigation animated:YES];
8820 }
8821
8822 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
8823     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
8824
8825     if (navigation != nil)
8826         [navigation pushViewController:progress animated:YES];
8827     else
8828         [self presentModalViewController:progress];
8829
8830     [progress invoke:invocation withTitle:title];
8831     return progress;
8832 }
8833
8834 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
8835     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
8836 }
8837
8838 - (void) repairWithInvocation:(NSInvocation *)invocation {
8839     _trace();
8840     [self invokeNewProgress:invocation forController:nil withTitle:UCLocalize("REPAIRING")];
8841     _trace();
8842 }
8843
8844 - (void) repairWithSelector:(SEL)selector {
8845     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
8846 }
8847
8848 - (void) syncData {
8849     [self _saveConfig];
8850
8851     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
8852     _assert(file != NULL);
8853
8854     for (NSString *key in [Sources_ allKeys]) {
8855         NSDictionary *source([Sources_ objectForKey:key]);
8856
8857         fprintf(file, "%s %s %s\n",
8858             [[source objectForKey:@"Type"] UTF8String],
8859             [[source objectForKey:@"URI"] UTF8String],
8860             [[source objectForKey:@"Distribution"] UTF8String]
8861         );
8862     }
8863
8864     fclose(file);
8865
8866     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:UCLocalize("UPDATING_SOURCES")];
8867
8868     [self complete];
8869 }
8870
8871 - (void) addTrivialSource:(NSString *)href {
8872     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
8873         @"deb", @"Type",
8874         href, @"URI",
8875         @"./", @"Distribution",
8876     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
8877
8878     Changed_ = true;
8879 }
8880
8881 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
8882     @synchronized (self) {
8883         [self _reloadDataWithInvocation:invocation];
8884     }
8885 }
8886
8887 - (void) reloadData {
8888     [self reloadDataWithInvocation:nil];
8889 }
8890
8891 - (void) resolve {
8892     pkgProblemResolver *resolver = [database_ resolver];
8893
8894     resolver->InstallProtect();
8895     if (!resolver->Resolve(true))
8896         _error->Discard();
8897 }
8898
8899 - (bool) perform {
8900     // XXX: this is a really crappy way of doing this.
8901     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
8902     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
8903     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
8904     if ([tabbar_ updating])
8905         [tabbar_ cancelUpdate];
8906
8907     if (![database_ prepare])
8908         return false;
8909
8910     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
8911     [page setDelegate:self];
8912     CYNavigationController *confirm_([[[CYNavigationController alloc] initWithRootViewController:page] autorelease]);
8913     [confirm_ setDelegate:self];
8914
8915     if (IsWildcat_)
8916         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
8917     [tabbar_ presentModalViewController:confirm_ animated:YES];
8918
8919     return true;
8920 }
8921
8922 - (void) queue {
8923     @synchronized (self) {
8924         [self perform];
8925     }
8926 }
8927
8928 - (void) clearPackage:(Package *)package {
8929     @synchronized (self) {
8930         [package clear];
8931         [self resolve];
8932         [self perform];
8933     }
8934 }
8935
8936 - (void) installPackages:(NSArray *)packages {
8937     @synchronized (self) {
8938         for (Package *package in packages)
8939             [package install];
8940         [self resolve];
8941         [self perform];
8942     }
8943 }
8944
8945 - (void) installPackage:(Package *)package {
8946     @synchronized (self) {
8947         [package install];
8948         [self resolve];
8949         [self perform];
8950     }
8951 }
8952
8953 - (void) removePackage:(Package *)package {
8954     @synchronized (self) {
8955         [package remove];
8956         [self resolve];
8957         [self perform];
8958     }
8959 }
8960
8961 - (void) distUpgrade {
8962     @synchronized (self) {
8963         if (![database_ upgrade])
8964             return;
8965         [self perform];
8966     }
8967 }
8968
8969 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
8970     Queuing_ = false;
8971     ++locked_;
8972     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:UCLocalize("RUNNING")];
8973     --locked_;
8974     [self complete];
8975 }
8976
8977 - (void) showSettings {
8978     SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
8979     CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
8980     if (IsWildcat_)
8981         [nav setModalPresentationStyle:UIModalPresentationFormSheet];
8982     [tabbar_ presentModalViewController:nav animated:YES];
8983 }
8984
8985 - (void) retainNetworkActivityIndicator {
8986     if (activity_++ == 0)
8987         [self setNetworkActivityIndicatorVisible:YES];
8988 }
8989
8990 - (void) releaseNetworkActivityIndicator {
8991     if (--activity_ == 0)
8992         [self setNetworkActivityIndicatorVisible:NO];
8993 }
8994
8995 - (void) cancelAndClear:(bool)clear {
8996     @synchronized (self) {
8997         if (clear) {
8998             [database_ clear];
8999             Queuing_ = false;
9000         } else {
9001             Queuing_ = true;
9002         }
9003
9004         [self _updateData];
9005     }
9006 }
9007
9008 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9009     NSString *context([alert context]);
9010
9011     if ([context isEqualToString:@"conffile"]) {
9012         FILE *input = [database_ input];
9013         if (button == [alert cancelButtonIndex])
9014             fprintf(input, "N\n");
9015         else if (button == [alert firstOtherButtonIndex])
9016             fprintf(input, "Y\n");
9017         fflush(input);
9018
9019         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9020     } else if ([context isEqualToString:@"fixhalf"]) {
9021         if (button == [alert cancelButtonIndex]) {
9022             @synchronized (self) {
9023                 for (Package *broken in broken_) {
9024                     [broken remove];
9025
9026                     NSString *id = [broken id];
9027                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9028                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9029                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9030                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9031                 }
9032
9033                 [self resolve];
9034                 [self perform];
9035             }
9036         } else if (button == [alert firstOtherButtonIndex]) {
9037             [broken_ removeAllObjects];
9038             [self _loaded];
9039         }
9040
9041         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9042     } else if ([context isEqualToString:@"upgrade"]) {
9043         if (button == [alert firstOtherButtonIndex]) {
9044             @synchronized (self) {
9045                 for (Package *essential in essential_)
9046                     [essential install];
9047
9048                 [self resolve];
9049                 [self perform];
9050             }
9051         } else if (button == [alert firstOtherButtonIndex] + 1) {
9052             [self distUpgrade];
9053         } else if (button == [alert cancelButtonIndex]) {
9054             Ignored_ = YES;
9055         }
9056
9057         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9058     }
9059 }
9060
9061 - (void) system:(NSString *)command { _pooled
9062     _trace();
9063     system([command UTF8String]);
9064     _trace();
9065 }
9066
9067 - (void) applicationWillSuspend {
9068     [database_ clean];
9069     [super applicationWillSuspend];
9070 }
9071
9072 - (BOOL) isSafeToSuspend {
9073     // Use external process status API internally.
9074     // This is probably a really bad idea.
9075     // XXX: what is the point of this? does this solve anything at all?
9076     uint64_t status = 0;
9077     int notify_token;
9078     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9079         notify_get_state(notify_token, &status);
9080         notify_cancel(notify_token);
9081     }
9082
9083     return locked_ == 0 && status == 0;
9084 }
9085
9086 - (void) applicationSuspend:(__GSEvent *)event {
9087     if ([self isSafeToSuspend])
9088         [super applicationSuspend:event];
9089 }
9090
9091 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9092     if ([self isSafeToSuspend])
9093         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9094 }
9095
9096 - (void) _setSuspended:(BOOL)value {
9097     if ([self isSafeToSuspend])
9098         [super _setSuspended:value];
9099 }
9100
9101 - (UIProgressHUD *) addProgressHUD {
9102     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9103     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9104
9105     [window_ setUserInteractionEnabled:NO];
9106     [hud show:YES];
9107
9108     UIViewController *target = tabbar_;
9109     while ([target modalViewController] != nil) target = [target modalViewController];
9110     [[target view] addSubview:hud];
9111
9112     ++locked_;
9113     return hud;
9114 }
9115
9116 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9117     [hud show:NO];
9118     [hud removeFromSuperview];
9119     [window_ setUserInteractionEnabled:YES];
9120     --locked_;
9121 }
9122
9123 - (CYViewController *) pageForPackage:(NSString *)name {
9124     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9125 }
9126
9127 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9128     NSString *scheme([[url scheme] lowercaseString]);
9129     if ([[url absoluteString] length] <= [scheme length] + 3)
9130         return nil;
9131     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9132     NSArray *components([path pathComponents]);
9133
9134     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9135         return [self pageForPackage:[components objectAtIndex:1]];
9136
9137     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9138         return nil;
9139
9140     NSString *base([components objectAtIndex:0]);
9141
9142     CYViewController *controller = nil;
9143
9144     if ([base isEqualToString:@"url"]) {
9145         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9146         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9147         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9148     } else if (!external && [components count] == 1) {
9149         if ([base isEqualToString:@"manage"]) {
9150             controller = [[[ManageController alloc] init] autorelease];
9151         }
9152
9153         if ([base isEqualToString:@"sources"]) {
9154             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9155         }
9156
9157         if ([base isEqualToString:@"home"]) {
9158             controller = [[[HomeController alloc] init] autorelease];
9159         }
9160
9161         if ([base isEqualToString:@"sections"]) {
9162             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9163         }
9164
9165         if ([base isEqualToString:@"search"]) {
9166             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9167         }
9168
9169         if ([base isEqualToString:@"changes"]) {
9170             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9171         }
9172
9173         if ([base isEqualToString:@"installed"]) {
9174             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9175         }
9176     } else if ([components count] == 2) {
9177         NSString *argument = [components objectAtIndex:1];
9178
9179         if ([base isEqualToString:@"package"]) {
9180             controller = [self pageForPackage:argument];
9181         }
9182
9183         if (!external && [base isEqualToString:@"search"]) {
9184             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9185             [(SearchController *)controller setSearchTerm:argument];
9186         }
9187
9188         if (!external && [base isEqualToString:@"sections"]) {
9189             if ([argument isEqualToString:@"all"])
9190                 argument = nil;
9191             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9192         }
9193
9194         if (!external && [base isEqualToString:@"sources"]) {
9195             if ([argument isEqualToString:@"add"]) {
9196                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9197                 [(SourcesController *)controller showAddSourcePrompt];
9198             } else {
9199                 Source *source = [database_ sourceWithKey:argument];
9200                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9201             }
9202         }
9203
9204         if (!external && [base isEqualToString:@"launch"]) {
9205             [self launchApplicationWithIdentifier:argument suspended:NO];
9206             return nil;
9207         }
9208     } else if (!external && [components count] == 3) {
9209         NSString *arg1 = [components objectAtIndex:1];
9210         NSString *arg2 = [components objectAtIndex:2];
9211
9212         if ([base isEqualToString:@"package"]) {
9213             if ([arg2 isEqualToString:@"settings"]) {
9214                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9215             } else if ([arg2 isEqualToString:@"files"]) {
9216                 if (Package *package = [database_ packageWithName:arg1]) {
9217                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9218                     [(FileTable *)controller setPackage:package];
9219                 }
9220             }
9221         }
9222     }
9223
9224     [controller setDelegate:self];
9225     return controller;
9226 }
9227
9228 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9229     CYViewController *page([self pageForURL:url forExternal:external]);
9230
9231     if (page != nil) {
9232         CYNavigationController *nav = [[[CYNavigationController alloc] init] autorelease];
9233         [nav setViewControllers:[NSArray arrayWithObject:page]];
9234         [tabbar_ setUnselectedViewController:nav];
9235     }
9236
9237     return page != nil;
9238 }
9239
9240 - (void) applicationOpenURL:(NSURL *)url {
9241     [super applicationOpenURL:url];
9242
9243     if (!loaded_) starturl_ = [url retain];
9244     else [self openCydiaURL:url forExternal:YES];
9245 }
9246
9247 - (void) applicationWillResignActive:(UIApplication *)application {
9248     // Stop refreshing if you get a phone call or lock the device.
9249     if ([tabbar_ updating])
9250         [tabbar_ cancelUpdate];
9251
9252     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9253         [super applicationWillResignActive:application];
9254 }
9255
9256 - (void) applicationWillTerminate:(UIApplication *)application {
9257     Changed_ = true;
9258     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9259     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9260     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9261
9262     [self _saveConfig];
9263 }
9264
9265 - (void) setConfigurationData:(NSString *)data {
9266     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9267
9268     if (!conffile_r(data)) {
9269         lprintf("E:invalid conffile\n");
9270         return;
9271     }
9272
9273     NSString *ofile = conffile_r[1];
9274     //NSString *nfile = conffile_r[2];
9275
9276     UIAlertView *alert = [[[UIAlertView alloc]
9277         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9278         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9279         delegate:self
9280         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9281         otherButtonTitles:
9282             UCLocalize("ACCEPT_NEW_COPY"),
9283             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9284         nil
9285     ] autorelease];
9286
9287     [alert setContext:@"conffile"];
9288     [alert show];
9289 }
9290
9291 - (void) addStashController {
9292     ++locked_;
9293     stash_ = [[StashController alloc] init];
9294     [window_ addSubview:[stash_ view]];
9295 }
9296
9297 - (void) removeStashController {
9298     [[stash_ view] removeFromSuperview];
9299     [stash_ release];
9300     --locked_;
9301 }
9302
9303 - (void) stash {
9304     [self setIdleTimerDisabled:YES];
9305
9306     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9307     UpdateExternalStatus(1);
9308     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9309     UpdateExternalStatus(0);
9310
9311     [self removeStashController];
9312
9313     if (ExecFork() == 0) {
9314         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9315         perror("launchctl stop");
9316     }
9317 }
9318
9319 - (void) setupViewControllers {
9320     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9321
9322     NSMutableArray *items([NSMutableArray arrayWithObjects:
9323         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9324         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9325         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9326         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9327     nil]);
9328
9329     if (IsWildcat_) {
9330         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9331         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9332     } else {
9333         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9334     }
9335
9336     NSMutableArray *controllers([NSMutableArray array]);
9337     for (UITabBarItem *item in items) {
9338         CYNavigationController *controller([[[CYNavigationController alloc] initWithDatabase:database_] autorelease]);
9339         [controller setTabBarItem:item];
9340         [controllers addObject:controller];
9341     }
9342     [tabbar_ setViewControllers:controllers];
9343
9344     [tabbar_ setUpdateDelegate:self];
9345 }
9346
9347 - (void) applicationDidFinishLaunching:(id)unused {
9348 _trace();
9349     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9350         [self setApplicationSupportsShakeToEdit:NO];
9351
9352     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9353         initWithMemoryCapacity:524288
9354         diskCapacity:10485760
9355         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9356     ] autorelease]];
9357
9358     [CYBrowserController _initialize];
9359
9360     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9361
9362     Font12_ = [[UIFont systemFontOfSize:12] retain];
9363     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9364     Font14_ = [[UIFont systemFontOfSize:14] retain];
9365     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9366     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9367
9368     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9369     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9370
9371     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9372     [window_ orderFront:self];
9373     [window_ makeKey:self];
9374     [window_ setHidden:NO];
9375
9376     if (
9377         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9378         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9379         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9380         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9381         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9382         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9383         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9384         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9385         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9386         false
9387     ) {
9388         [self addStashController];
9389         // XXX: this would be much cleaner as a yieldToSelector:
9390         // that way the removeStashController could happen right here inline
9391         // we also could no longer require the useless stash_ field anymore
9392         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9393         return;
9394     }
9395
9396     database_ = [Database sharedInstance];
9397     [database_ setDelegate:self];
9398
9399     [window_ setUserInteractionEnabled:NO];
9400     [self setupViewControllers];
9401
9402     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9403     [window_ addSubview:[emulated_ view]];
9404
9405     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9406 _trace();
9407 }
9408
9409 - (void) loadData {
9410 _trace();
9411     if (Role_ == nil) {
9412         [window_ setUserInteractionEnabled:YES];
9413         [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease]];
9414         return;
9415     } else {
9416         if ([emulated_ modalViewController] != nil)
9417             [emulated_ dismissModalViewControllerAnimated:YES];
9418         [window_ setUserInteractionEnabled:NO];
9419     }
9420
9421     [self reloadData];
9422     PrintTimes();
9423
9424     [window_ addSubview:[tabbar_ view]];
9425
9426     [[emulated_ view] removeFromSuperview];
9427     [emulated_ release];
9428     emulated_ = nil;
9429
9430     [window_ setUserInteractionEnabled:YES];
9431
9432     int selectedIndex = 0;
9433     NSMutableArray *items = nil;
9434
9435     bool recently = false;
9436     NSDate *closed([Metadata_ objectForKey:@"LastClosed"]);
9437     if (closed != nil) {
9438         NSTimeInterval interval([closed timeIntervalSinceNow]);
9439         // XXX: Is 15 minutes the optimal time here?
9440         if (interval <= 0 && interval > -(15*60))
9441             recently = true;
9442     }
9443
9444     items = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9445     selectedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9446
9447     BOOL enough = YES;
9448     for (NSArray *entry in items)
9449         if ([entry count] <= 0)
9450             enough = NO;
9451
9452     if (!recently || !items || !enough) {
9453         selectedIndex = 0;
9454         items = [NSMutableArray array];
9455         [items addObject:[NSArray arrayWithObject:@"cydia://home"]];
9456         [items addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9457         [items addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9458         if (!IsWildcat_) {
9459             [items addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9460         } else {
9461             [items addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9462             [items addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9463         }
9464         [items addObject:[NSArray arrayWithObject:@"cydia://search"]];
9465     }
9466
9467     [tabbar_ setSelectedIndex:selectedIndex];
9468     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9469         NSArray *stack = [items objectAtIndex:tab];
9470         CYNavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9471         NSMutableArray *current = [NSMutableArray array];
9472
9473         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9474             NSString *addr = [stack objectAtIndex:nav];
9475             NSURL *url = [NSURL URLWithString:addr];
9476             CYViewController *page = [self pageForURL:url forExternal:NO];
9477             if (page != nil)
9478                 [current addObject:page];
9479         }
9480
9481         [navigation setViewControllers:current];
9482     }
9483
9484     // (Try to) show the startup URL.
9485     if (starturl_ != nil) {
9486         [self openCydiaURL:starturl_ forExternal:NO];
9487         [starturl_ release];
9488         starturl_ = nil;
9489     }
9490 }
9491
9492 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9493     if (item != nil && IsWildcat_) {
9494         [sheet showFromBarButtonItem:item animated:YES];
9495     } else {
9496         [sheet showInView:window_];
9497     }
9498 }
9499
9500 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9501     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9502     [progress setTitle:task];
9503     [progress addProgressEvent:event];
9504 }
9505
9506 - (void) addProgressEventForTask:(NSArray *)data {
9507     CydiaProgressEvent *event([data objectAtIndex:0]);
9508     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9509     [self addProgressEvent:event forTask:task];
9510 }
9511
9512 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9513     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9514 }
9515
9516 @end
9517
9518 /*IMP alloc_;
9519 id Alloc_(id self, SEL selector) {
9520     id object = alloc_(self, selector);
9521     lprintf("[%s]A-%p\n", self->isa->name, object);
9522     return object;
9523 }*/
9524
9525 /*IMP dealloc_;
9526 id Dealloc_(id self, SEL selector) {
9527     id object = dealloc_(self, selector);
9528     lprintf("[%s]D-%p\n", self->isa->name, object);
9529     return object;
9530 }*/
9531
9532 Class $WebDefaultUIKitDelegate;
9533
9534 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9535     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9536         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9537     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9538 }
9539
9540 static NSNumber *shouldPlayKeyboardSounds;
9541
9542 Class $UIHardware;
9543
9544 MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
9545     switch (sound) {
9546         case 1104: // Keyboard Button Clicked
9547         case 1105: // Keyboard Delete Repeated
9548             if (shouldPlayKeyboardSounds == nil) {
9549                 NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.preferences.sounds.plist"] autorelease]);
9550                 shouldPlayKeyboardSounds = [([dict objectForKey:@"keyboard"] ?: (id) kCFBooleanTrue) retain];
9551             }
9552
9553             if (![shouldPlayKeyboardSounds boolValue])
9554                 break;
9555
9556         default:
9557             _UIHardware$_playSystemSound$(self, _cmd, sound);
9558     }
9559 }
9560
9561 Class $UIApplication;
9562
9563 MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
9564     static BOOL initialized = NO;
9565     static BOOL started = NO;
9566
9567     NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
9568     BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
9569
9570     if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
9571         id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
9572         if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
9573         if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
9574
9575         if (initialized && !enabled) {
9576             initialized = NO;
9577             [bundle performSelector:@selector(_accessibilityStopServer)];
9578         } else if (enabled) {
9579             initialized = YES;
9580             if (!started) {
9581                 started = YES;
9582                 [bundle performSelector:@selector(_accessibilityStartServer)];
9583             }
9584         }
9585     }
9586 }
9587
9588 int main(int argc, char *argv[]) { _pooled
9589     _trace();
9590
9591     UpdateExternalStatus(0);
9592
9593     if (Class $UIDevice = objc_getClass("UIDevice")) {
9594         UIDevice *device([$UIDevice currentDevice]);
9595         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
9596     } else
9597         IsWildcat_ = false;
9598
9599     UIScreen *screen([UIScreen mainScreen]);
9600     if ([screen respondsToSelector:@selector(scale)])
9601         ScreenScale_ = [screen scale];
9602     else
9603         ScreenScale_ = 1;
9604
9605     NSMutableArray *parts([NSMutableArray arrayWithCapacity:2]);
9606     if (ScreenScale_ > 1)
9607         [parts addObject:@"@2x"];
9608     [parts addObject:(IsWildcat_ ? @"~ipad" : @"~iphone")];
9609     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios%@", [parts componentsJoinedByString:@""]]);
9610
9611     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9612
9613     /* Library Hacks {{{ */
9614     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
9615
9616     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
9617     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
9618     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
9619         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
9620         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
9621     }
9622
9623     $UIHardware = objc_getClass("UIHardware");
9624     Method UIHardware$_playSystemSound$(class_getClassMethod($UIHardware, @selector(_playSystemSound:)));
9625     if (UIHardware$_playSystemSound$ != NULL) {
9626         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
9627         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
9628     }
9629
9630     $UIApplication = objc_getClass("UIApplication");
9631     Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
9632     if (UIApplication$_updateApplicationAccessibility != NULL) {
9633         _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
9634         method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
9635     }
9636     /* }}} */
9637     /* Set Locale {{{ */
9638     Locale_ = CFLocaleCopyCurrent();
9639     Languages_ = [NSLocale preferredLanguages];
9640     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
9641     //NSLog(@"%@", [Languages_ description]);
9642
9643     const char *lang;
9644     if (Languages_ == nil || [Languages_ count] == 0)
9645         // XXX: consider just setting to C and then falling through?
9646         lang = NULL;
9647     else {
9648         lang = [[Languages_ objectAtIndex:0] UTF8String];
9649         setenv("LANG", lang, true);
9650     }
9651
9652     //std::setlocale(LC_ALL, lang);
9653     NSLog(@"Setting Language: %s", lang);
9654     /* }}} */
9655
9656     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
9657
9658     /* Parse Arguments {{{ */
9659     bool substrate(false);
9660
9661     if (argc != 0) {
9662         char **args(argv);
9663         int arge(1);
9664
9665         for (int argi(1); argi != argc; ++argi)
9666             if (strcmp(argv[argi], "--") == 0) {
9667                 arge = argi;
9668                 argv[argi] = argv[0];
9669                 argv += argi;
9670                 argc -= argi;
9671                 break;
9672             }
9673
9674         for (int argi(1); argi != arge; ++argi)
9675             if (strcmp(args[argi], "--substrate") == 0)
9676                 substrate = true;
9677             else
9678                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
9679     }
9680     /* }}} */
9681
9682     App_ = [[NSBundle mainBundle] bundlePath];
9683     Home_ = NSHomeDirectory();
9684     Advanced_ = YES;
9685
9686     setuid(0);
9687     setgid(0);
9688
9689     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
9690     alloc_ = alloc->method_imp;
9691     alloc->method_imp = (IMP) &Alloc_;*/
9692
9693     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
9694     dealloc_ = dealloc->method_imp;
9695     dealloc->method_imp = (IMP) &Dealloc_;*/
9696
9697     /* System Information {{{ */
9698     size_t size;
9699
9700     int maxproc;
9701     size = sizeof(maxproc);
9702     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
9703         perror("sysctlbyname(\"kern.maxproc\", ?)");
9704     else if (maxproc < 64) {
9705         maxproc = 64;
9706         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
9707             perror("sysctlbyname(\"kern.maxproc\", #)");
9708     }
9709
9710     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
9711     char *osversion = new char[size];
9712     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
9713         perror("sysctlbyname(\"kern.osversion\", ?)");
9714     else
9715         System_ = [NSString stringWithUTF8String:osversion];
9716
9717     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
9718     char *machine = new char[size];
9719     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
9720         perror("sysctlbyname(\"hw.machine\", ?)");
9721     else
9722         Machine_ = machine;
9723
9724     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
9725         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
9726             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
9727                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
9728                 CFRelease(serial);
9729             }
9730
9731             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
9732                 NSData *data((NSData *) ecid);
9733                 size_t length([data length]);
9734                 uint8_t bytes[length];
9735                 [data getBytes:bytes];
9736                 char string[length * 2 + 1];
9737                 for (size_t i(0); i != length; ++i)
9738                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
9739                 ChipID_ = [NSString stringWithUTF8String:string];
9740                 CFRelease(ecid);
9741             }
9742
9743             IOObjectRelease(service);
9744         }
9745     }
9746
9747     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
9748
9749     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
9750     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
9751     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
9752
9753     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
9754     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
9755     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
9756
9757     if (mcc != NULL && mnc != NULL)
9758         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
9759
9760     if (mnc != NULL)
9761         CFRelease(mnc);
9762     if (mcc != NULL)
9763         CFRelease(mcc);
9764
9765     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
9766         Build_ = [system objectForKey:@"ProductBuildVersion"];
9767     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
9768         Product_ = [info objectForKey:@"SafariProductVersion"];
9769         Safari_ = [info objectForKey:@"CFBundleVersion"];
9770     }
9771     /* }}} */
9772     /* Load Database {{{ */
9773     _trace();
9774     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
9775     _trace();
9776     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
9777
9778     if (Metadata_ == NULL)
9779         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
9780     else {
9781         Settings_ = [Metadata_ objectForKey:@"Settings"];
9782
9783         Packages_ = [Metadata_ objectForKey:@"Packages"];
9784         Sections_ = [Metadata_ objectForKey:@"Sections"];
9785         Sources_ = [Metadata_ objectForKey:@"Sources"];
9786
9787         Token_ = [Metadata_ objectForKey:@"Token"];
9788     }
9789
9790     if (Settings_ != nil)
9791         Role_ = [Settings_ objectForKey:@"Role"];
9792
9793     if (Sections_ == nil) {
9794         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
9795         [Metadata_ setObject:Sections_ forKey:@"Sections"];
9796     }
9797
9798     if (Sources_ == nil) {
9799         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
9800         [Metadata_ setObject:Sources_ forKey:@"Sources"];
9801     }
9802     /* }}} */
9803
9804     _trace();
9805     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
9806     _trace();
9807
9808     if (Packages_ != nil) {
9809         bool fail(false);
9810         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
9811         _trace();
9812
9813         if (!fail) {
9814             [Metadata_ removeObjectForKey:@"Packages"];
9815             Packages_ = nil;
9816             Changed_ = true;
9817         }
9818     }
9819
9820     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
9821
9822 #define MobileSubstrate_(name) \
9823     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) \
9824         dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL);
9825
9826     MobileSubstrate_(Activator)
9827     MobileSubstrate_(libstatusbar)
9828     MobileSubstrate_(SimulatedKeyEvents)
9829     MobileSubstrate_(WinterBoard)
9830
9831     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
9832         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
9833
9834     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
9835
9836     if (access("/tmp/.cydia.fw", F_OK) == 0) {
9837         unlink("/tmp/.cydia.fw");
9838         goto firmware;
9839     } else if (access("/User", F_OK) != 0 || version < 2) {
9840       firmware:
9841         _trace();
9842         system("/usr/libexec/cydia/firmware.sh");
9843         _trace();
9844     }
9845
9846     _assert([[NSFileManager defaultManager]
9847         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
9848         withIntermediateDirectories:YES
9849         attributes:nil
9850         error:NULL
9851     ]);
9852
9853     if (access("/tmp/cydia.chk", F_OK) == 0) {
9854         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
9855             _assert(errno == ENOENT);
9856         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
9857             _assert(errno == ENOENT);
9858     }
9859
9860     /* APT Initialization {{{ */
9861     _assert(pkgInitConfig(*_config));
9862     _assert(pkgInitSystem(*_config, _system));
9863
9864     if (lang != NULL)
9865         _config->Set("APT::Acquire::Translation", lang);
9866
9867     // XXX: this timeout might be important :(
9868     //_config->Set("Acquire::http::Timeout", 15);
9869
9870     _config->Set("Acquire::http::MaxParallel", 3);
9871     /* }}} */
9872     /* Color Choices {{{ */
9873     space_ = CGColorSpaceCreateDeviceRGB();
9874
9875     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
9876     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
9877     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
9878     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
9879     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
9880     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
9881     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
9882     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
9883     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
9884
9885     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
9886     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
9887     /* }}}*/
9888     /* UIKit Configuration {{{ */
9889     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
9890     if ($GSFontSetUseLegacyFontMetrics != NULL)
9891         $GSFontSetUseLegacyFontMetrics(YES);
9892
9893     // XXX: I have a feeling this was important
9894     //UIKeyboardDisableAutomaticAppearance();
9895     /* }}} */
9896
9897     Colon_ = UCLocalize("COLON_DELIMITED");
9898     Elision_ = UCLocalize("ELISION");
9899     Error_ = UCLocalize("ERROR");
9900     Warning_ = UCLocalize("WARNING");
9901
9902     _trace();
9903     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
9904
9905     CGColorSpaceRelease(space_);
9906     CFRelease(Locale_);
9907
9908     return value;
9909 }